21262046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 35955360

約数和(自身を除く): 14693314

約数列:

[1, 2, 13, 26, 29, 58, 163, 173, 326, 346, 377, 754, 2119, 2249, 4238, 4498, 4727, 5017, 9454, 10034, 28199, 56398, 61451, 65221, 122902, 130442, 366587, 733174, 817771, 1635542, 10631023, 21262046]

約数ペア:

[(1, 21262046), (2, 10631023), (13, 1635542), (26, 817771), (29, 733174), (58, 366587), (163, 130442), (173, 122902), (326, 65221), (346, 61451), (377, 56398), (754, 28199), (2119, 10034), (2249, 9454), (4238, 5017), (4498, 4727)]