21292670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 48055680

約数和(自身を除く): 26763010

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 70, 85, 119, 145, 170, 203, 238, 290, 406, 493, 595, 617, 986, 1015, 1190, 1234, 2030, 2465, 3085, 3451, 4319, 4930, 6170, 6902, 8638, 10489, 17255, 17893, 20978, 21595, 34510, 35786, 43190, 52445, 73423, 89465, 104890, 125251, 146846, 178930, 250502, 304181, 367115, 608362, 626255, 734230, 1252510, 1520905, 2129267, 3041810, 4258534, 10646335, 21292670]

約数ペア:

[(1, 21292670), (2, 10646335), (5, 4258534), (7, 3041810), (10, 2129267), (14, 1520905), (17, 1252510), (29, 734230), (34, 626255), (35, 608362), (58, 367115), (70, 304181), (85, 250502), (119, 178930), (145, 146846), (170, 125251), (203, 104890), (238, 89465), (290, 73423), (406, 52445), (493, 43190), (595, 35786), (617, 34510), (986, 21595), (1015, 20978), (1190, 17893), (1234, 17255), (2030, 10489), (2465, 8638), (3085, 6902), (3451, 6170), (4319, 4930)]