21661832

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44389}}^1$

素因数の和:44456

約数の個数: 16

約数和(自身を含む): 41282700

約数和(自身を除く): 19620868

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44389, 88778, 177556, 355112, 2707729, 5415458, 10830916, 21661832]

約数ペア:

[(1, 21661832), (2, 10830916), (4, 5415458), (8, 2707729), (61, 355112), (122, 177556), (244, 88778), (488, 44389)]