21952340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35407}}^1$

素因数の和:35447

約数の個数: 24

約数和(自身を含む): 47588352

約数和(自身を除く): 25636012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 35407, 70814, 141628, 177035, 354070, 708140, 1097617, 2195234, 4390468, 5488085, 10976170, 21952340]

約数ペア:

[(1, 21952340), (2, 10976170), (4, 5488085), (5, 4390468), (10, 2195234), (20, 1097617), (31, 708140), (62, 354070), (124, 177035), (155, 141628), (310, 70814), (620, 35407)]