21921644

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 39103680

約数和(自身を除く): 17182036

約数列:

[1, 2, 4, 109, 137, 218, 274, 367, 436, 548, 734, 1468, 14933, 29866, 40003, 50279, 59732, 80006, 100558, 160012, 201116, 5480411, 10960822, 21921644]

約数ペア:

[(1, 21921644), (2, 10960822), (4, 5480411), (109, 201116), (137, 160012), (218, 100558), (274, 80006), (367, 59732), (436, 50279), (548, 40003), (734, 29866), (1468, 14933)]