21248876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1459}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 40716480

約数和(自身を除く): 19467604

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1459, 2918, 3641, 5836, 7282, 14564, 16049, 32098, 64196, 482929, 965858, 1931716, 5312219, 10624438, 21248876]

約数ペア:

[(1, 21248876), (2, 10624438), (4, 5312219), (11, 1931716), (22, 965858), (44, 482929), (331, 64196), (662, 32098), (1324, 16049), (1459, 14564), (2918, 7282), (3641, 5836)]