21118264

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 41245200

約数和(自身を除く): 20126936

約数列:

[1, 2, 4, 8, 29, 58, 116, 227, 232, 401, 454, 802, 908, 1604, 1816, 3208, 6583, 11629, 13166, 23258, 26332, 46516, 52664, 91027, 93032, 182054, 364108, 728216, 2639783, 5279566, 10559132, 21118264]

約数ペア:

[(1, 21118264), (2, 10559132), (4, 5279566), (8, 2639783), (29, 728216), (58, 364108), (116, 182054), (227, 93032), (232, 91027), (401, 52664), (454, 46516), (802, 26332), (908, 23258), (1604, 13166), (1816, 11629), (3208, 6583)]