21350516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{769}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 40877760

約数和(自身を除く): 19527244

約数列:

[1, 2, 4, 11, 22, 44, 631, 769, 1262, 1538, 2524, 3076, 6941, 8459, 13882, 16918, 27764, 33836, 485239, 970478, 1940956, 5337629, 10675258, 21350516]

約数ペア:

[(1, 21350516), (2, 10675258), (4, 5337629), (11, 1940956), (22, 970478), (44, 485239), (631, 33836), (769, 27764), (1262, 16918), (1538, 13882), (2524, 8459), (3076, 6941)]