21401868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{77543}}^1$

素因数の和:77573

約数の個数: 24

約数和(自身を含む): 52109568

約数和(自身を除く): 30707700

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 77543, 155086, 232629, 310172, 465258, 930516, 1783489, 3566978, 5350467, 7133956, 10700934, 21401868]

約数ペア:

[(1, 21401868), (2, 10700934), (3, 7133956), (4, 5350467), (6, 3566978), (12, 1783489), (23, 930516), (46, 465258), (69, 310172), (92, 232629), (138, 155086), (276, 77543)]