21793416

素因数分解:

$2^3\times 3^1\times {\mathrm{457}}^1\times {\mathrm{1987}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 54630240

約数和(自身を除く): 32836824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 457, 914, 1371, 1828, 1987, 2742, 3656, 3974, 5484, 5961, 7948, 10968, 11922, 15896, 23844, 47688, 908059, 1816118, 2724177, 3632236, 5448354, 7264472, 10896708, 21793416]

約数ペア:

[(1, 21793416), (2, 10896708), (3, 7264472), (4, 5448354), (6, 3632236), (8, 2724177), (12, 1816118), (24, 908059), (457, 47688), (914, 23844), (1371, 15896), (1828, 11922), (1987, 10968), (2742, 7948), (3656, 5961), (3974, 5484)]