21356844

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 30430164

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 103, 111, 148, 206, 222, 309, 412, 444, 467, 618, 934, 1236, 1401, 1868, 2802, 3811, 5604, 7622, 11433, 15244, 17279, 22866, 34558, 45732, 48101, 51837, 69116, 96202, 103674, 144303, 192404, 207348, 288606, 577212, 1779737, 3559474, 5339211, 7118948, 10678422, 21356844]

約数ペア:

[(1, 21356844), (2, 10678422), (3, 7118948), (4, 5339211), (6, 3559474), (12, 1779737), (37, 577212), (74, 288606), (103, 207348), (111, 192404), (148, 144303), (206, 103674), (222, 96202), (309, 69116), (412, 51837), (444, 48101), (467, 45732), (618, 34558), (934, 22866), (1236, 17279), (1401, 15244), (1868, 11433), (2802, 7622), (3811, 5604)]