21261084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8017}}^1$

素因数の和:8054

約数の個数: 48

約数和(自身を含む): 56575008

約数和(自身を除く): 35313924

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 8017, 16034, 24051, 32068, 48102, 96204, 104221, 136289, 208442, 272578, 312663, 408867, 416884, 545156, 625326, 817734, 1250652, 1635468, 1771757, 3543514, 5315271, 7087028, 10630542, 21261084]

約数ペア:

[(1, 21261084), (2, 10630542), (3, 7087028), (4, 5315271), (6, 3543514), (12, 1771757), (13, 1635468), (17, 1250652), (26, 817734), (34, 625326), (39, 545156), (51, 416884), (52, 408867), (68, 312663), (78, 272578), (102, 208442), (156, 136289), (204, 104221), (221, 96204), (442, 48102), (663, 32068), (884, 24051), (1326, 16034), (2652, 8017)]