21097736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5101}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 44081280

約数和(自身を除く): 22983544

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5101, 10202, 20404, 40808, 56111, 112222, 224444, 239747, 448888, 479494, 958988, 1917976, 2637217, 5274434, 10548868, 21097736]

約数ペア:

[(1, 21097736), (2, 10548868), (4, 5274434), (8, 2637217), (11, 1917976), (22, 958988), (44, 479494), (47, 448888), (88, 239747), (94, 224444), (188, 112222), (376, 56111), (517, 40808), (1034, 20404), (2068, 10202), (4136, 5101)]