21050610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1699}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 37701390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 295, 354, 413, 590, 826, 885, 1239, 1699, 1770, 2065, 2478, 3398, 4130, 5097, 6195, 8495, 10194, 11893, 12390, 16990, 23786, 25485, 35679, 50970, 59465, 71358, 100241, 118930, 178395, 200482, 300723, 356790, 501205, 601446, 701687, 1002410, 1403374, 1503615, 2105061, 3007230, 3508435, 4210122, 7016870, 10525305, 21050610]

約数ペア:

[(1, 21050610), (2, 10525305), (3, 7016870), (5, 4210122), (6, 3508435), (7, 3007230), (10, 2105061), (14, 1503615), (15, 1403374), (21, 1002410), (30, 701687), (35, 601446), (42, 501205), (59, 356790), (70, 300723), (105, 200482), (118, 178395), (177, 118930), (210, 100241), (295, 71358), (354, 59465), (413, 50970), (590, 35679), (826, 25485), (885, 23786), (1239, 16990), (1699, 12390), (1770, 11893), (2065, 10194), (2478, 8495), (3398, 6195), (4130, 5097)]