21731874

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9311}}^1$

素因数の和:9705

約数の個数: 16

約数和(自身を含む): 43580160

約数和(自身を除く): 21848286

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9311, 18622, 27933, 55866, 3621979, 7243958, 10865937, 21731874]

約数ペア:

[(1, 21731874), (2, 10865937), (3, 7243958), (6, 3621979), (389, 55866), (778, 27933), (1167, 18622), (2334, 9311)]