21457471590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:648

約数の個数: 256

約数和(自身を含む): 61666099200

約数和(自身を除く): 40208627610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 67, 90, 95, 114, 134, 135, 163, 171, 190, 201, 270, 285, 326, 335, 342, 383, 402, 489, 513, 570, 603, 670, 766, 815, 855, 978, 1005, 1026, 1149, 1206, 1273, 1467, 1630, 1710, 1809, 1915, 2010, 2298, 2445, 2546, 2565, 2934, 3015, 3097, 3447, 3618, 3819, 3830, 4401, 4890, 5130, 5745, 6030, 6194, 6365, 6894, 7277, 7335, 7638, 8802, 9045, 9291, 10341, 10921, 11457, 11490, 12730, 14554, 14670, 15485, 17235, 18090, 18582, 19095, 20682, 21831, 21842, 22005, 22914, 25661, 27873, 30970, 32763, 34371, 34470, 36385, 38190, 43662, 44010, 46455, 51322, 51705, 54605, 55746, 57285, 62429, 65493, 65526, 68742, 72770, 76983, 83619, 92910, 98289, 103410, 109155, 109210, 114570, 124858, 128305, 130986, 139365, 153966, 163815, 167238, 171855, 187287, 196479, 196578, 207499, 218310, 230949, 256610, 278730, 294867, 312145, 327465, 327630, 343710, 374574, 384915, 392958, 414998, 418095, 461898, 487559, 491445, 561861, 589734, 622497, 624290, 654930, 692847, 769830, 836190, 936435, 975118, 982395, 982890, 1037495, 1123722, 1154745, 1186151, 1244994, 1385694, 1462677, 1474335, 1685583, 1867491, 1872870, 1964790, 2074990, 2309490, 2372302, 2437795, 2809305, 2925354, 2948670, 3112485, 3371166, 3464235, 3558453, 3734982, 4182743, 4388031, 4875590, 5602473, 5618610, 5930755, 6224970, 6928470, 7116906, 7313385, 8365486, 8427915, 8776062, 9337455, 10675359, 11204946, 11861510, 12548229, 13164093, 14626770, 16855830, 17792265, 18674910, 20913715, 21350718, 21940155, 25096458, 26328186, 28012365, 32026077, 35584530, 37644687, 41827430, 43880310, 53376795, 56024730, 62741145, 64052154, 65820465, 75289374, 79472117, 106753590, 112934061, 125482290, 131640930, 158944234, 160130385, 188223435, 225868122, 238416351, 320260770, 376446870, 397360585, 476832702, 564670305, 715249053, 794721170, 1129340610, 1192081755, 1430498106, 2145747159, 2384163510, 3576245265, 4291494318, 7152490530, 10728735795, 21457471590]

約数ペア:

[(1, 21457471590), (2, 10728735795), (3, 7152490530), (5, 4291494318), (6, 3576245265), (9, 2384163510), (10, 2145747159), (15, 1430498106), (18, 1192081755), (19, 1129340610), (27, 794721170), (30, 715249053), (38, 564670305), (45, 476832702), (54, 397360585), (57, 376446870), (67, 320260770), (90, 238416351), (95, 225868122), (114, 188223435), (134, 160130385), (135, 158944234), (163, 131640930), (171, 125482290), (190, 112934061), (201, 106753590), (270, 79472117), (285, 75289374), (326, 65820465), (335, 64052154), (342, 62741145), (383, 56024730), (402, 53376795), (489, 43880310), (513, 41827430), (570, 37644687), (603, 35584530), (670, 32026077), (766, 28012365), (815, 26328186), (855, 25096458), (978, 21940155), (1005, 21350718), (1026, 20913715), (1149, 18674910), (1206, 17792265), (1273, 16855830), (1467, 14626770), (1630, 13164093), (1710, 12548229), (1809, 11861510), (1915, 11204946), (2010, 10675359), (2298, 9337455), (2445, 8776062), (2546, 8427915), (2565, 8365486), (2934, 7313385), (3015, 7116906), (3097, 6928470), (3447, 6224970), (3618, 5930755), (3819, 5618610), (3830, 5602473), (4401, 4875590), (4890, 4388031), (5130, 4182743), (5745, 3734982), (6030, 3558453), (6194, 3464235), (6365, 3371166), (6894, 3112485), (7277, 2948670), (7335, 2925354), (7638, 2809305), (8802, 2437795), (9045, 2372302), (9291, 2309490), (10341, 2074990), (10921, 1964790), (11457, 1872870), (11490, 1867491), (12730, 1685583), (14554, 1474335), (14670, 1462677), (15485, 1385694), (17235, 1244994), (18090, 1186151), (18582, 1154745), (19095, 1123722), (20682, 1037495), (21831, 982890), (21842, 982395), (22005, 975118), (22914, 936435), (25661, 836190), (27873, 769830), (30970, 692847), (32763, 654930), (34371, 624290), (34470, 622497), (36385, 589734), (38190, 561861), (43662, 491445), (44010, 487559), (46455, 461898), (51322, 418095), (51705, 414998), (54605, 392958), (55746, 384915), (57285, 374574), (62429, 343710), (65493, 327630), (65526, 327465), (68742, 312145), (72770, 294867), (76983, 278730), (83619, 256610), (92910, 230949), (98289, 218310), (103410, 207499), (109155, 196578), (109210, 196479), (114570, 187287), (124858, 171855), (128305, 167238), (130986, 163815), (139365, 153966)]