21656835

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2719}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17511165

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 2719, 7965, 8157, 13595, 24471, 40785, 73413, 122355, 160421, 367065, 481263, 802105, 1443789, 2406315, 4331367, 7218945, 21656835]

約数ペア:

[(1, 21656835), (3, 7218945), (5, 4331367), (9, 2406315), (15, 1443789), (27, 802105), (45, 481263), (59, 367065), (135, 160421), (177, 122355), (295, 73413), (531, 40785), (885, 24471), (1593, 13595), (2655, 8157), (2719, 7965)]