21882740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5851}}^1$

素因数の和:5888

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 31206604

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5851, 11702, 23404, 29255, 58510, 64361, 99467, 117020, 128722, 198934, 257444, 321805, 397868, 497335, 643610, 994670, 1094137, 1287220, 1989340, 2188274, 4376548, 5470685, 10941370, 21882740]

約数ペア:

[(1, 21882740), (2, 10941370), (4, 5470685), (5, 4376548), (10, 2188274), (11, 1989340), (17, 1287220), (20, 1094137), (22, 994670), (34, 643610), (44, 497335), (55, 397868), (68, 321805), (85, 257444), (110, 198934), (170, 128722), (187, 117020), (220, 99467), (340, 64361), (374, 58510), (748, 29255), (935, 23404), (1870, 11702), (3740, 5851)]