21051464

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1283}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 24248056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1283, 2051, 2344, 2566, 4102, 5132, 8204, 8981, 10264, 16408, 17962, 35924, 71848, 375919, 751838, 1503676, 2631433, 3007352, 5262866, 10525732, 21051464]

約数ペア:

[(1, 21051464), (2, 10525732), (4, 5262866), (7, 3007352), (8, 2631433), (14, 1503676), (28, 751838), (56, 375919), (293, 71848), (586, 35924), (1172, 17962), (1283, 16408), (2051, 10264), (2344, 8981), (2566, 8204), (4102, 5132)]