21296924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3533}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 19669204

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3533, 6028, 7066, 14132, 38863, 77726, 155452, 484021, 968042, 1936084, 5324231, 10648462, 21296924]

約数ペア:

[(1, 21296924), (2, 10648462), (4, 5324231), (11, 1936084), (22, 968042), (44, 484021), (137, 155452), (274, 77726), (548, 38863), (1507, 14132), (3014, 7066), (3533, 6028)]