21653512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 43399800

約数和(自身を除く): 21746288

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 452, 904, 1409, 1921, 2818, 3842, 5636, 7684, 11272, 15368, 23953, 47906, 95812, 159217, 191624, 318434, 636868, 1273736, 2706689, 5413378, 10826756, 21653512]

約数ペア:

[(1, 21653512), (2, 10826756), (4, 5413378), (8, 2706689), (17, 1273736), (34, 636868), (68, 318434), (113, 191624), (136, 159217), (226, 95812), (452, 47906), (904, 23953), (1409, 15368), (1921, 11272), (2818, 7684), (3842, 5636)]