21334440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177787}}^1$

素因数の和:177801

約数の個数: 32

約数和(自身を含む): 64003680

約数和(自身を除く): 42669240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177787, 355574, 533361, 711148, 888935, 1066722, 1422296, 1777870, 2133444, 2666805, 3555740, 4266888, 5333610, 7111480, 10667220, 21334440]

約数ペア:

[(1, 21334440), (2, 10667220), (3, 7111480), (4, 5333610), (5, 4266888), (6, 3555740), (8, 2666805), (10, 2133444), (12, 1777870), (15, 1422296), (20, 1066722), (24, 888935), (30, 711148), (40, 533361), (60, 355574), (120, 177787)]