21057410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4073}}^1$

素因数の和:4138

約数の個数: 32

約数和(自身を含む): 42239232

約数和(自身を除く): 21181822

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 4073, 5170, 8146, 20365, 40730, 44803, 89606, 191431, 224015, 382862, 448030, 957155, 1914310, 2105741, 4211482, 10528705, 21057410]

約数ペア:

[(1, 21057410), (2, 10528705), (5, 4211482), (10, 2105741), (11, 1914310), (22, 957155), (47, 448030), (55, 382862), (94, 224015), (110, 191431), (235, 89606), (470, 44803), (517, 40730), (1034, 20365), (2585, 8146), (4073, 5170)]