21926972

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 39102000

約数和(自身を除く): 17175028

約数列:

[1, 2, 4, 113, 139, 226, 278, 349, 452, 556, 698, 1396, 15707, 31414, 39437, 48511, 62828, 78874, 97022, 157748, 194044, 5481743, 10963486, 21926972]

約数ペア:

[(1, 21926972), (2, 10963486), (4, 5481743), (113, 194044), (139, 157748), (226, 97022), (278, 78874), (349, 62828), (452, 48511), (556, 39437), (698, 31414), (1396, 15707)]