21132056

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5857}}^1$

素因数の和:5915

約数の個数: 32

約数和(自身を含む): 44286480

約数和(自身を除く): 23154424

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5857, 11714, 23428, 46856, 64427, 128854, 240137, 257708, 480274, 515416, 960548, 1921096, 2641507, 5283014, 10566028, 21132056]

約数ペア:

[(1, 21132056), (2, 10566028), (4, 5283014), (8, 2641507), (11, 1921096), (22, 960548), (41, 515416), (44, 480274), (82, 257708), (88, 240137), (164, 128854), (328, 64427), (451, 46856), (902, 23428), (1804, 11714), (3608, 5857)]