21632520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:324

約数の個数: 192

約数和(自身を含む): 81587520

約数和(自身を除く): 59955000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 283, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 566, 588, 637, 728, 735, 780, 840, 849, 910, 980, 1092, 1132, 1176, 1274, 1365, 1415, 1470, 1560, 1698, 1820, 1911, 1960, 1981, 2184, 2264, 2548, 2730, 2830, 2940, 3185, 3396, 3640, 3679, 3822, 3962, 4245, 5096, 5460, 5660, 5880, 5943, 6370, 6792, 7358, 7644, 7924, 8490, 9555, 9905, 10920, 11037, 11320, 11886, 12740, 13867, 14716, 15288, 15848, 16980, 18395, 19110, 19810, 22074, 23772, 25480, 25753, 27734, 29432, 29715, 33960, 36790, 38220, 39620, 41601, 44148, 47544, 51506, 55185, 55468, 59430, 69335, 73580, 76440, 77259, 79240, 83202, 88296, 103012, 110370, 110936, 118860, 128765, 138670, 147160, 154518, 166404, 180271, 206024, 208005, 220740, 237720, 257530, 277340, 309036, 332808, 360542, 386295, 416010, 441480, 515060, 540813, 554680, 618072, 721084, 772590, 832020, 901355, 1030120, 1081626, 1442168, 1545180, 1664040, 1802710, 2163252, 2704065, 3090360, 3605420, 4326504, 5408130, 7210840, 10816260, 21632520]

約数ペア:

[(1, 21632520), (2, 10816260), (3, 7210840), (4, 5408130), (5, 4326504), (6, 3605420), (7, 3090360), (8, 2704065), (10, 2163252), (12, 1802710), (13, 1664040), (14, 1545180), (15, 1442168), (20, 1081626), (21, 1030120), (24, 901355), (26, 832020), (28, 772590), (30, 721084), (35, 618072), (39, 554680), (40, 540813), (42, 515060), (49, 441480), (52, 416010), (56, 386295), (60, 360542), (65, 332808), (70, 309036), (78, 277340), (84, 257530), (91, 237720), (98, 220740), (104, 208005), (105, 206024), (120, 180271), (130, 166404), (140, 154518), (147, 147160), (156, 138670), (168, 128765), (182, 118860), (195, 110936), (196, 110370), (210, 103012), (245, 88296), (260, 83202), (273, 79240), (280, 77259), (283, 76440), (294, 73580), (312, 69335), (364, 59430), (390, 55468), (392, 55185), (420, 51506), (455, 47544), (490, 44148), (520, 41601), (546, 39620), (566, 38220), (588, 36790), (637, 33960), (728, 29715), (735, 29432), (780, 27734), (840, 25753), (849, 25480), (910, 23772), (980, 22074), (1092, 19810), (1132, 19110), (1176, 18395), (1274, 16980), (1365, 15848), (1415, 15288), (1470, 14716), (1560, 13867), (1698, 12740), (1820, 11886), (1911, 11320), (1960, 11037), (1981, 10920), (2184, 9905), (2264, 9555), (2548, 8490), (2730, 7924), (2830, 7644), (2940, 7358), (3185, 6792), (3396, 6370), (3640, 5943), (3679, 5880), (3822, 5660), (3962, 5460), (4245, 5096)]