21884936

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 42435360

約数和(自身を除く): 20550424

約数列:

[1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 563, 904, 1126, 2252, 4504, 4859, 9718, 19436, 24209, 38872, 48418, 63619, 96836, 127238, 193672, 254476, 508952, 2735617, 5471234, 10942468, 21884936]

約数ペア:

[(1, 21884936), (2, 10942468), (4, 5471234), (8, 2735617), (43, 508952), (86, 254476), (113, 193672), (172, 127238), (226, 96836), (344, 63619), (452, 48418), (563, 38872), (904, 24209), (1126, 19436), (2252, 9718), (4504, 4859)]