421849060

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{21589}}^1$

素因数の和:22575

約数の個数: 24

約数和(自身を含む): 886830840

約数和(自身を除く): 464981780

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 19540, 21589, 43178, 86356, 107945, 215890, 431780, 21092453, 42184906, 84369812, 105462265, 210924530, 421849060]

約数ペア:

[(1, 421849060), (2, 210924530), (4, 105462265), (5, 84369812), (10, 42184906), (20, 21092453), (977, 431780), (1954, 215890), (3908, 107945), (4885, 86356), (9770, 43178), (19540, 21589)]