21665630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7549}}^1$

素因数の和:7604

約数の個数: 32

約数和(自身を含む): 45662400

約数和(自身を除く): 23996770

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7549, 15098, 37745, 52843, 75490, 105686, 264215, 309509, 528430, 619018, 1547545, 2166563, 3095090, 4333126, 10832815, 21665630]

約数ペア:

[(1, 21665630), (2, 10832815), (5, 4333126), (7, 3095090), (10, 2166563), (14, 1547545), (35, 619018), (41, 528430), (70, 309509), (82, 264215), (205, 105686), (287, 75490), (410, 52843), (574, 37745), (1435, 15098), (2870, 7549)]