21285856

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{28921}}^1$

素因数の和:28954

約数の個数: 24

約数和(自身を含む): 43730064

約数和(自身を除く): 22444208

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 28921, 57842, 115684, 231368, 462736, 665183, 925472, 1330366, 2660732, 5321464, 10642928, 21285856]

約数ペア:

[(1, 21285856), (2, 10642928), (4, 5321464), (8, 2660732), (16, 1330366), (23, 925472), (32, 665183), (46, 462736), (92, 231368), (184, 115684), (368, 57842), (736, 28921)]