21204544

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8081}}^1$

素因数の和:8134

約数の個数: 28

約数和(自身を含む): 43109388

約数和(自身を除く): 21904844

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8081, 16162, 32324, 64648, 129296, 258592, 331321, 517184, 662642, 1325284, 2650568, 5301136, 10602272, 21204544]

約数ペア:

[(1, 21204544), (2, 10602272), (4, 5301136), (8, 2650568), (16, 1325284), (32, 662642), (41, 517184), (64, 331321), (82, 258592), (164, 129296), (328, 64648), (656, 32324), (1312, 16162), (2624, 8081)]