21069616

素因数分解:

$2^4\times {\mathrm{79}}^2\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 30

約数和(自身を含む): 41541612

約数和(自身を除く): 20471996

約数列:

[1, 2, 4, 8, 16, 79, 158, 211, 316, 422, 632, 844, 1264, 1688, 3376, 6241, 12482, 16669, 24964, 33338, 49928, 66676, 99856, 133352, 266704, 1316851, 2633702, 5267404, 10534808, 21069616]

約数ペア:

[(1, 21069616), (2, 10534808), (4, 5267404), (8, 2633702), (16, 1316851), (79, 266704), (158, 133352), (211, 99856), (316, 66676), (422, 49928), (632, 33338), (844, 24964), (1264, 16669), (1688, 12482), (3376, 6241)]