21813318

素因数分解:

$2^1\times 3^2\times {\mathrm{449}}^1\times {\mathrm{2699}}^1$

素因数の和:3156

約数の個数: 24

約数和(自身を含む): 47385000

約数和(自身を除く): 25571682

約数列:

[1, 2, 3, 6, 9, 18, 449, 898, 1347, 2694, 2699, 4041, 5398, 8082, 8097, 16194, 24291, 48582, 1211851, 2423702, 3635553, 7271106, 10906659, 21813318]

約数ペア:

[(1, 21813318), (2, 10906659), (3, 7271106), (6, 3635553), (9, 2423702), (18, 1211851), (449, 48582), (898, 24291), (1347, 16194), (2694, 8097), (2699, 8082), (4041, 5398)]