21761608

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22481}}^1$

素因数の和:22509

約数の個数: 24

約数和(自身を含む): 44851590

約数和(自身を除く): 23089982

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22481, 44962, 89924, 179848, 247291, 494582, 989164, 1978328, 2720201, 5440402, 10880804, 21761608]

約数ペア:

[(1, 21761608), (2, 10880804), (4, 5440402), (8, 2720201), (11, 1978328), (22, 989164), (44, 494582), (88, 247291), (121, 179848), (242, 89924), (484, 44962), (968, 22481)]