21556020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359267}}^1$

素因数の和:359279

約数の個数: 24

約数和(自身を含む): 60357024

約数和(自身を除く): 38801004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359267, 718534, 1077801, 1437068, 1796335, 2155602, 3592670, 4311204, 5389005, 7185340, 10778010, 21556020]

約数ペア:

[(1, 21556020), (2, 10778010), (3, 7185340), (4, 5389005), (5, 4311204), (6, 3592670), (10, 2155602), (12, 1796335), (15, 1437068), (20, 1077801), (30, 718534), (60, 359267)]