21668570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 27600166

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 263, 385, 526, 535, 749, 770, 1070, 1177, 1315, 1498, 1841, 2354, 2630, 2893, 3682, 3745, 5786, 5885, 7490, 8239, 9205, 11770, 14465, 16478, 18410, 20251, 28141, 28930, 40502, 41195, 56282, 82390, 101255, 140705, 196987, 202510, 281410, 309551, 393974, 619102, 984935, 1547755, 1969870, 2166857, 3095510, 4333714, 10834285, 21668570]

約数ペア:

[(1, 21668570), (2, 10834285), (5, 4333714), (7, 3095510), (10, 2166857), (11, 1969870), (14, 1547755), (22, 984935), (35, 619102), (55, 393974), (70, 309551), (77, 281410), (107, 202510), (110, 196987), (154, 140705), (214, 101255), (263, 82390), (385, 56282), (526, 41195), (535, 40502), (749, 28930), (770, 28141), (1070, 20251), (1177, 18410), (1315, 16478), (1498, 14465), (1841, 11770), (2354, 9205), (2630, 8239), (2893, 7490), (3682, 5885), (3745, 5786)]