21644610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 40286910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 23, 26, 30, 38, 39, 46, 57, 65, 69, 78, 95, 114, 115, 127, 130, 138, 190, 195, 230, 247, 254, 285, 299, 345, 381, 390, 437, 494, 570, 598, 635, 690, 741, 762, 874, 897, 1235, 1270, 1311, 1482, 1495, 1651, 1794, 1905, 2185, 2413, 2470, 2622, 2921, 2990, 3302, 3705, 3810, 4370, 4485, 4826, 4953, 5681, 5842, 6555, 7239, 7410, 8255, 8763, 8970, 9906, 11362, 12065, 13110, 14478, 14605, 16510, 17043, 17526, 24130, 24765, 28405, 29210, 31369, 34086, 36195, 37973, 43815, 49530, 55499, 56810, 62738, 72390, 75946, 85215, 87630, 94107, 110998, 113919, 156845, 166497, 170430, 188214, 189865, 227838, 277495, 313690, 332994, 379730, 470535, 554990, 569595, 721487, 832485, 941070, 1139190, 1442974, 1664970, 2164461, 3607435, 4328922, 7214870, 10822305, 21644610]

約数ペア:

[(1, 21644610), (2, 10822305), (3, 7214870), (5, 4328922), (6, 3607435), (10, 2164461), (13, 1664970), (15, 1442974), (19, 1139190), (23, 941070), (26, 832485), (30, 721487), (38, 569595), (39, 554990), (46, 470535), (57, 379730), (65, 332994), (69, 313690), (78, 277495), (95, 227838), (114, 189865), (115, 188214), (127, 170430), (130, 166497), (138, 156845), (190, 113919), (195, 110998), (230, 94107), (247, 87630), (254, 85215), (285, 75946), (299, 72390), (345, 62738), (381, 56810), (390, 55499), (437, 49530), (494, 43815), (570, 37973), (598, 36195), (635, 34086), (690, 31369), (741, 29210), (762, 28405), (874, 24765), (897, 24130), (1235, 17526), (1270, 17043), (1311, 16510), (1482, 14605), (1495, 14478), (1651, 13110), (1794, 12065), (1905, 11362), (2185, 9906), (2413, 8970), (2470, 8763), (2622, 8255), (2921, 7410), (2990, 7239), (3302, 6555), (3705, 5842), (3810, 5681), (4370, 4953), (4485, 4826)]