21726476

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1129}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 40435920

約数和(自身を除く): 18709444

約数列:

[1, 2, 4, 17, 34, 68, 283, 566, 1129, 1132, 2258, 4516, 4811, 9622, 19193, 19244, 38386, 76772, 319507, 639014, 1278028, 5431619, 10863238, 21726476]

約数ペア:

[(1, 21726476), (2, 10863238), (4, 5431619), (17, 1278028), (34, 639014), (68, 319507), (283, 76772), (566, 38386), (1129, 19244), (1132, 19193), (2258, 9622), (4516, 4811)]