21724516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3769}}^1$

素因数の和:3915

約数の個数: 24

約数和(自身を含む): 41801760

約数和(自身を除く): 20077244

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3769, 5764, 7538, 15076, 41459, 82918, 165836, 493739, 987478, 1974956, 5431129, 10862258, 21724516]

約数ペア:

[(1, 21724516), (2, 10862258), (4, 5431129), (11, 1974956), (22, 987478), (44, 493739), (131, 165836), (262, 82918), (524, 41459), (1441, 15076), (2882, 7538), (3769, 5764)]