21037276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6857}}^1$

素因数の和:6933

約数の個数: 24

約数和(自身を含む): 40325040

約数和(自身を除く): 19287764

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6857, 13714, 27428, 89141, 178282, 356564, 404563, 809126, 1618252, 5259319, 10518638, 21037276]

約数ペア:

[(1, 21037276), (2, 10518638), (4, 5259319), (13, 1618252), (26, 809126), (52, 404563), (59, 356564), (118, 178282), (236, 89141), (767, 27428), (1534, 13714), (3068, 6857)]