21974152

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 43044120

約数和(自身を除く): 21069968

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1217, 2257, 2434, 4514, 4868, 9028, 9736, 18056, 45029, 74237, 90058, 148474, 180116, 296948, 360232, 593896, 2746769, 5493538, 10987076, 21974152]

約数ペア:

[(1, 21974152), (2, 10987076), (4, 5493538), (8, 2746769), (37, 593896), (61, 360232), (74, 296948), (122, 180116), (148, 148474), (244, 90058), (296, 74237), (488, 45029), (1217, 18056), (2257, 9736), (2434, 9028), (4514, 4868)]