21877252

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1669}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 39979800

約数和(自身を除く): 18102548

約数列:

[1, 2, 4, 29, 58, 113, 116, 226, 452, 1669, 3277, 3338, 6554, 6676, 13108, 48401, 96802, 188597, 193604, 377194, 754388, 5469313, 10938626, 21877252]

約数ペア:

[(1, 21877252), (2, 10938626), (4, 5469313), (29, 754388), (58, 377194), (113, 193604), (116, 188597), (226, 96802), (452, 48401), (1669, 13108), (3277, 6676), (3338, 6554)]