21135248

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5527}}^1$

素因数の和:5774

約数の個数: 20

約数和(自身を含む): 41128320

約数和(自身を除く): 19993072

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5527, 11054, 22108, 44216, 88432, 1320953, 2641906, 5283812, 10567624, 21135248]

約数ペア:

[(1, 21135248), (2, 10567624), (4, 5283812), (8, 2641906), (16, 1320953), (239, 88432), (478, 44216), (956, 22108), (1912, 11054), (3824, 5527)]