21430515

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1433}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 34347168

約数和(自身を除く): 12916653

約数列:

[1, 3, 5, 15, 997, 1433, 2991, 4299, 4985, 7165, 14955, 21495, 1428701, 4286103, 7143505, 21430515]

約数ペア:

[(1, 21430515), (3, 7143505), (5, 4286103), (15, 1428701), (997, 21495), (1433, 14955), (2991, 7165), (4299, 4985)]