21868488

素因数分解:

$2^3\times 3^3\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 61272000

約数和(自身を除く): 39403512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 137, 216, 274, 411, 548, 739, 822, 1096, 1233, 1478, 1644, 2217, 2466, 2956, 3288, 3699, 4434, 4932, 5912, 6651, 7398, 8868, 9864, 13302, 14796, 17736, 19953, 26604, 29592, 39906, 53208, 79812, 101243, 159624, 202486, 303729, 404972, 607458, 809944, 911187, 1214916, 1822374, 2429832, 2733561, 3644748, 5467122, 7289496, 10934244, 21868488]

約数ペア:

[(1, 21868488), (2, 10934244), (3, 7289496), (4, 5467122), (6, 3644748), (8, 2733561), (9, 2429832), (12, 1822374), (18, 1214916), (24, 911187), (27, 809944), (36, 607458), (54, 404972), (72, 303729), (108, 202486), (137, 159624), (216, 101243), (274, 79812), (411, 53208), (548, 39906), (739, 29592), (822, 26604), (1096, 19953), (1233, 17736), (1478, 14796), (1644, 13302), (2217, 9864), (2466, 8868), (2956, 7398), (3288, 6651), (3699, 5912), (4434, 4932)]