21322648

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 40903200

約数和(自身を除く): 19580552

約数列:

[1, 2, 4, 8, 103, 113, 206, 226, 229, 412, 452, 458, 824, 904, 916, 1832, 11639, 23278, 23587, 25877, 46556, 47174, 51754, 93112, 94348, 103508, 188696, 207016, 2665331, 5330662, 10661324, 21322648]

約数ペア:

[(1, 21322648), (2, 10661324), (4, 5330662), (8, 2665331), (103, 207016), (113, 188696), (206, 103508), (226, 94348), (229, 93112), (412, 51754), (452, 47174), (458, 46556), (824, 25877), (904, 23587), (916, 23278), (1832, 11639)]