21813814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{23059}}^1$

素因数の和:23115

約数の個数: 16

約数和(自身を含む): 36527040

約数和(自身を除く): 14713226

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 23059, 46118, 253649, 507298, 991537, 1983074, 10906907, 21813814]

約数ペア:

[(1, 21813814), (2, 10906907), (11, 1983074), (22, 991537), (43, 507298), (86, 253649), (473, 46118), (946, 23059)]