21060696

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^2\times {\mathrm{641}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 54197640

約数和(自身を除く): 33136944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 641, 888, 1282, 1369, 1923, 2564, 2738, 3846, 4107, 5128, 5476, 7692, 8214, 10952, 15384, 16428, 23717, 32856, 47434, 71151, 94868, 142302, 189736, 284604, 569208, 877529, 1755058, 2632587, 3510116, 5265174, 7020232, 10530348, 21060696]

約数ペア:

[(1, 21060696), (2, 10530348), (3, 7020232), (4, 5265174), (6, 3510116), (8, 2632587), (12, 1755058), (24, 877529), (37, 569208), (74, 284604), (111, 189736), (148, 142302), (222, 94868), (296, 71151), (444, 47434), (641, 32856), (888, 23717), (1282, 16428), (1369, 15384), (1923, 10952), (2564, 8214), (2738, 7692), (3846, 5476), (4107, 5128)]