21565584

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4876

約数の個数: 60

約数和(自身を含む): 62313472

約数和(自身を除く): 40747888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4831, 9662, 14493, 19324, 28986, 38648, 43479, 57972, 77296, 86958, 115944, 149761, 173916, 231888, 299522, 347832, 449283, 599044, 695664, 898566, 1198088, 1347849, 1797132, 2396176, 2695698, 3594264, 5391396, 7188528, 10782792, 21565584]

約数ペア:

[(1, 21565584), (2, 10782792), (3, 7188528), (4, 5391396), (6, 3594264), (8, 2695698), (9, 2396176), (12, 1797132), (16, 1347849), (18, 1198088), (24, 898566), (31, 695664), (36, 599044), (48, 449283), (62, 347832), (72, 299522), (93, 231888), (124, 173916), (144, 149761), (186, 115944), (248, 86958), (279, 77296), (372, 57972), (496, 43479), (558, 38648), (744, 28986), (1116, 19324), (1488, 14493), (2232, 9662), (4464, 4831)]