21574782

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30265218

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 87, 138, 174, 207, 261, 414, 522, 599, 621, 667, 783, 1198, 1242, 1334, 1566, 1797, 2001, 3594, 4002, 5391, 6003, 10782, 12006, 13777, 16173, 17371, 18009, 27554, 32346, 34742, 36018, 41331, 52113, 82662, 104226, 123993, 156339, 247986, 312678, 371979, 399533, 469017, 743958, 799066, 938034, 1198599, 2397198, 3595797, 7191594, 10787391, 21574782]

約数ペア:

[(1, 21574782), (2, 10787391), (3, 7191594), (6, 3595797), (9, 2397198), (18, 1198599), (23, 938034), (27, 799066), (29, 743958), (46, 469017), (54, 399533), (58, 371979), (69, 312678), (87, 247986), (138, 156339), (174, 123993), (207, 104226), (261, 82662), (414, 52113), (522, 41331), (599, 36018), (621, 34742), (667, 32346), (783, 27554), (1198, 18009), (1242, 17371), (1334, 16173), (1566, 13777), (1797, 12006), (2001, 10782), (3594, 6003), (4002, 5391)]