21777888730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8816959}}^1$

素因数の和:8816998

約数の個数: 32

約数和(自身を含む): 44437478400

約数和(自身を除く): 22659589670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8816959, 17633918, 44084795, 88169590, 114620467, 167522221, 229240934, 335044442, 573102335, 837611105, 1146204670, 1675222210, 2177788873, 4355577746, 10888944365, 21777888730]

約数ペア:

[(1, 21777888730), (2, 10888944365), (5, 4355577746), (10, 2177788873), (13, 1675222210), (19, 1146204670), (26, 837611105), (38, 573102335), (65, 335044442), (95, 229240934), (130, 167522221), (190, 114620467), (247, 88169590), (494, 44084795), (1235, 17633918), (2470, 8816959)]