21550628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 44561664

約数和(自身を除く): 23011036

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 47, 68, 94, 187, 188, 374, 517, 613, 748, 799, 1034, 1226, 1598, 2068, 2452, 3196, 6743, 8789, 10421, 13486, 17578, 20842, 26972, 28811, 35156, 41684, 57622, 114631, 115244, 229262, 316921, 458524, 489787, 633842, 979574, 1267684, 1959148, 5387657, 10775314, 21550628]

約数ペア:

[(1, 21550628), (2, 10775314), (4, 5387657), (11, 1959148), (17, 1267684), (22, 979574), (34, 633842), (44, 489787), (47, 458524), (68, 316921), (94, 229262), (187, 115244), (188, 114631), (374, 57622), (517, 41684), (613, 35156), (748, 28811), (799, 26972), (1034, 20842), (1226, 17578), (1598, 13486), (2068, 10421), (2452, 8789), (3196, 6743)]