21319564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44789}}^1$

素因数の和:44817

約数の個数: 24

約数和(自身を含む): 45148320

約数和(自身を除く): 23828756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44789, 89578, 179156, 313523, 627046, 761413, 1254092, 1522826, 3045652, 5329891, 10659782, 21319564]

約数ペア:

[(1, 21319564), (2, 10659782), (4, 5329891), (7, 3045652), (14, 1522826), (17, 1254092), (28, 761413), (34, 627046), (68, 313523), (119, 179156), (238, 89578), (476, 44789)]