21031094920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1033}}^1\times {\mathrm{46271}}^1$

素因数の和:47326

約数の個数: 64

約数和(自身を含む): 51672867840

約数和(自身を除く): 30641772920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1033, 2066, 4132, 5165, 8264, 10330, 11363, 20660, 22726, 41320, 45452, 46271, 56815, 90904, 92542, 113630, 185084, 227260, 231355, 370168, 454520, 462710, 508981, 925420, 1017962, 1850840, 2035924, 2544905, 4071848, 5089810, 10179620, 20359240, 47797943, 95595886, 191191772, 238989715, 382383544, 477979430, 525777373, 955958860, 1051554746, 1911917720, 2103109492, 2628886865, 4206218984, 5257773730, 10515547460, 21031094920]

約数ペア:

[(1, 21031094920), (2, 10515547460), (4, 5257773730), (5, 4206218984), (8, 2628886865), (10, 2103109492), (11, 1911917720), (20, 1051554746), (22, 955958860), (40, 525777373), (44, 477979430), (55, 382383544), (88, 238989715), (110, 191191772), (220, 95595886), (440, 47797943), (1033, 20359240), (2066, 10179620), (4132, 5089810), (5165, 4071848), (8264, 2544905), (10330, 2035924), (11363, 1850840), (20660, 1017962), (22726, 925420), (41320, 508981), (45452, 462710), (46271, 454520), (56815, 370168), (90904, 231355), (92542, 227260), (113630, 185084)]