21622984

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 41441400

約数和(自身を除く): 19818416

約数列:

[1, 2, 4, 8, 109, 137, 181, 218, 274, 362, 436, 548, 724, 872, 1096, 1448, 14933, 19729, 24797, 29866, 39458, 49594, 59732, 78916, 99188, 119464, 157832, 198376, 2702873, 5405746, 10811492, 21622984]

約数ペア:

[(1, 21622984), (2, 10811492), (4, 5405746), (8, 2702873), (109, 198376), (137, 157832), (181, 119464), (218, 99188), (274, 78916), (362, 59732), (436, 49594), (548, 39458), (724, 29866), (872, 24797), (1096, 19729), (1448, 14933)]