21430372

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 38719800

約数和(自身を除く): 17289428

約数列:

[1, 2, 4, 41, 82, 149, 164, 298, 596, 877, 1754, 3508, 6109, 12218, 24436, 35957, 71914, 130673, 143828, 261346, 522692, 5357593, 10715186, 21430372]

約数ペア:

[(1, 21430372), (2, 10715186), (4, 5357593), (41, 522692), (82, 261346), (149, 143828), (164, 130673), (298, 71914), (596, 35957), (877, 24436), (1754, 12218), (3508, 6109)]