21031888599

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{174929}}^1$

素因数の和:175072

約数の個数: 32

約数和(自身を含む): 32103153600

約数和(自身を除く): 11071265001

約数列:

[1, 3, 9, 27, 61, 73, 183, 219, 549, 657, 1647, 1971, 4453, 13359, 40077, 120231, 174929, 524787, 1574361, 4723083, 10670669, 12769817, 32012007, 38309451, 96036021, 114928353, 288108063, 344785059, 778958837, 2336876511, 7010629533, 21031888599]

約数ペア:

[(1, 21031888599), (3, 7010629533), (9, 2336876511), (27, 778958837), (61, 344785059), (73, 288108063), (183, 114928353), (219, 96036021), (549, 38309451), (657, 32012007), (1647, 12769817), (1971, 10670669), (4453, 4723083), (13359, 1574361), (40077, 524787), (120231, 174929)]