21547680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 288

約数和(自身を含む): 86873472

約数和(自身を除く): 65325792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 53, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 106, 110, 112, 120, 121, 132, 140, 154, 159, 160, 165, 168, 176, 210, 212, 220, 224, 231, 240, 242, 264, 265, 280, 308, 318, 330, 336, 352, 363, 371, 385, 420, 424, 440, 462, 480, 484, 528, 530, 560, 583, 605, 616, 636, 660, 672, 726, 742, 770, 795, 840, 847, 848, 880, 924, 968, 1056, 1060, 1113, 1120, 1155, 1166, 1210, 1232, 1272, 1320, 1452, 1484, 1540, 1590, 1680, 1694, 1696, 1749, 1760, 1815, 1848, 1855, 1936, 2120, 2226, 2310, 2332, 2420, 2464, 2541, 2544, 2640, 2904, 2915, 2968, 3080, 3180, 3360, 3388, 3498, 3630, 3696, 3710, 3872, 4081, 4235, 4240, 4452, 4620, 4664, 4840, 5082, 5088, 5280, 5565, 5808, 5830, 5936, 6160, 6360, 6413, 6776, 6996, 7260, 7392, 7420, 8162, 8470, 8480, 8745, 8904, 9240, 9328, 9680, 10164, 11130, 11616, 11660, 11872, 12243, 12320, 12705, 12720, 12826, 13552, 13992, 14520, 14840, 16324, 16940, 17490, 17808, 18480, 18656, 19239, 19360, 20328, 20405, 22260, 23320, 24486, 25410, 25440, 25652, 27104, 27984, 29040, 29680, 32065, 32648, 33880, 34980, 35616, 36960, 38478, 40656, 40810, 44520, 44891, 46640, 48972, 50820, 51304, 55968, 58080, 59360, 61215, 64130, 65296, 67760, 69960, 76956, 81312, 81620, 89040, 89782, 93280, 96195, 97944, 101640, 102608, 122430, 128260, 130592, 134673, 135520, 139920, 153912, 163240, 178080, 179564, 192390, 195888, 203280, 205216, 224455, 244860, 256520, 269346, 279840, 307824, 326480, 359128, 384780, 391776, 406560, 448910, 489720, 513040, 538692, 615648, 652960, 673365, 718256, 769560, 897820, 979440, 1026080, 1077384, 1346730, 1436512, 1539120, 1795640, 1958880, 2154768, 2693460, 3078240, 3591280, 4309536, 5386920, 7182560, 10773840, 21547680]

約数ペア:

[(1, 21547680), (2, 10773840), (3, 7182560), (4, 5386920), (5, 4309536), (6, 3591280), (7, 3078240), (8, 2693460), (10, 2154768), (11, 1958880), (12, 1795640), (14, 1539120), (15, 1436512), (16, 1346730), (20, 1077384), (21, 1026080), (22, 979440), (24, 897820), (28, 769560), (30, 718256), (32, 673365), (33, 652960), (35, 615648), (40, 538692), (42, 513040), (44, 489720), (48, 448910), (53, 406560), (55, 391776), (56, 384780), (60, 359128), (66, 326480), (70, 307824), (77, 279840), (80, 269346), (84, 256520), (88, 244860), (96, 224455), (105, 205216), (106, 203280), (110, 195888), (112, 192390), (120, 179564), (121, 178080), (132, 163240), (140, 153912), (154, 139920), (159, 135520), (160, 134673), (165, 130592), (168, 128260), (176, 122430), (210, 102608), (212, 101640), (220, 97944), (224, 96195), (231, 93280), (240, 89782), (242, 89040), (264, 81620), (265, 81312), (280, 76956), (308, 69960), (318, 67760), (330, 65296), (336, 64130), (352, 61215), (363, 59360), (371, 58080), (385, 55968), (420, 51304), (424, 50820), (440, 48972), (462, 46640), (480, 44891), (484, 44520), (528, 40810), (530, 40656), (560, 38478), (583, 36960), (605, 35616), (616, 34980), (636, 33880), (660, 32648), (672, 32065), (726, 29680), (742, 29040), (770, 27984), (795, 27104), (840, 25652), (847, 25440), (848, 25410), (880, 24486), (924, 23320), (968, 22260), (1056, 20405), (1060, 20328), (1113, 19360), (1120, 19239), (1155, 18656), (1166, 18480), (1210, 17808), (1232, 17490), (1272, 16940), (1320, 16324), (1452, 14840), (1484, 14520), (1540, 13992), (1590, 13552), (1680, 12826), (1694, 12720), (1696, 12705), (1749, 12320), (1760, 12243), (1815, 11872), (1848, 11660), (1855, 11616), (1936, 11130), (2120, 10164), (2226, 9680), (2310, 9328), (2332, 9240), (2420, 8904), (2464, 8745), (2541, 8480), (2544, 8470), (2640, 8162), (2904, 7420), (2915, 7392), (2968, 7260), (3080, 6996), (3180, 6776), (3360, 6413), (3388, 6360), (3498, 6160), (3630, 5936), (3696, 5830), (3710, 5808), (3872, 5565), (4081, 5280), (4235, 5088), (4240, 5082), (4452, 4840), (4620, 4664)]