21711404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37957}}^1$

素因数の和:37985

約数の個数: 24

約数和(自身を含む): 44638608

約数和(自身を除く): 22927204

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37957, 75914, 151828, 417527, 493441, 835054, 986882, 1670108, 1973764, 5427851, 10855702, 21711404]

約数ペア:

[(1, 21711404), (2, 10855702), (4, 5427851), (11, 1973764), (13, 1670108), (22, 986882), (26, 835054), (44, 493441), (52, 417527), (143, 151828), (286, 75914), (572, 37957)]