21991908

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{44699}}^1$

素因数の和:44747

約数の個数: 24

約数和(自身を含む): 52567200

約数和(自身を除く): 30575292

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 44699, 89398, 134097, 178796, 268194, 536388, 1832659, 3665318, 5497977, 7330636, 10995954, 21991908]

約数ペア:

[(1, 21991908), (2, 10995954), (3, 7330636), (4, 5497977), (6, 3665318), (12, 1832659), (41, 536388), (82, 268194), (123, 178796), (164, 134097), (246, 89398), (492, 44699)]