21922524

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 60285680

約数和(自身を除く): 38363156

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 337, 417, 468, 556, 674, 834, 1011, 1251, 1348, 1668, 1807, 2022, 2502, 3033, 3614, 4044, 4381, 5004, 5421, 6066, 7228, 8762, 10842, 12132, 13143, 16263, 17524, 21684, 26286, 32526, 39429, 46843, 52572, 65052, 78858, 93686, 140529, 157716, 187372, 281058, 421587, 562116, 608959, 843174, 1217918, 1686348, 1826877, 2435836, 3653754, 5480631, 7307508, 10961262, 21922524]

約数ペア:

[(1, 21922524), (2, 10961262), (3, 7307508), (4, 5480631), (6, 3653754), (9, 2435836), (12, 1826877), (13, 1686348), (18, 1217918), (26, 843174), (36, 608959), (39, 562116), (52, 421587), (78, 281058), (117, 187372), (139, 157716), (156, 140529), (234, 93686), (278, 78858), (337, 65052), (417, 52572), (468, 46843), (556, 39429), (674, 32526), (834, 26286), (1011, 21684), (1251, 17524), (1348, 16263), (1668, 13143), (1807, 12132), (2022, 10842), (2502, 8762), (3033, 7228), (3614, 6066), (4044, 5421), (4381, 5004)]