21372868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8233}}^1$

素因数の和:8307

約数の個数: 24

約数和(自身を含む): 41499360

約数和(自身を除く): 20126492

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8233, 16466, 32932, 90563, 181126, 362252, 485747, 971494, 1942988, 5343217, 10686434, 21372868]

約数ペア:

[(1, 21372868), (2, 10686434), (4, 5343217), (11, 1942988), (22, 971494), (44, 485747), (59, 362252), (118, 181126), (236, 90563), (649, 32932), (1298, 16466), (2596, 8233)]