21690936

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 60775200

約数和(自身を除く): 39084264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 733, 822, 1096, 1233, 1466, 1644, 2199, 2466, 2932, 3288, 3699, 4398, 4932, 5864, 6597, 7398, 8796, 9864, 13194, 14796, 17592, 19791, 26388, 29592, 39582, 52776, 79164, 100421, 158328, 200842, 301263, 401684, 602526, 803368, 903789, 1205052, 1807578, 2410104, 2711367, 3615156, 5422734, 7230312, 10845468, 21690936]

約数ペア:

[(1, 21690936), (2, 10845468), (3, 7230312), (4, 5422734), (6, 3615156), (8, 2711367), (9, 2410104), (12, 1807578), (18, 1205052), (24, 903789), (27, 803368), (36, 602526), (54, 401684), (72, 301263), (108, 200842), (137, 158328), (216, 100421), (274, 79164), (411, 52776), (548, 39582), (733, 29592), (822, 26388), (1096, 19791), (1233, 17592), (1466, 14796), (1644, 13194), (2199, 9864), (2466, 8796), (2932, 7398), (3288, 6597), (3699, 5864), (4398, 4932)]