21396544

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25742

約数の個数: 28

約数和(自身を含む): 45726604

約数和(自身を除く): 24330060

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25717, 51434, 102868, 205736, 334321, 411472, 668642, 822944, 1337284, 1645888, 2674568, 5349136, 10698272, 21396544]

約数ペア:

[(1, 21396544), (2, 10698272), (4, 5349136), (8, 2674568), (13, 1645888), (16, 1337284), (26, 822944), (32, 668642), (52, 411472), (64, 334321), (104, 205736), (208, 102868), (416, 51434), (832, 25717)]