21836775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12659}}^1$

素因数の和:12695

約数の個数: 24

約数和(自身を含む): 37676160

約数和(自身を除く): 15839385

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12659, 37977, 63295, 189885, 291157, 316475, 873471, 949425, 1455785, 4367355, 7278925, 21836775]

約数ペア:

[(1, 21836775), (3, 7278925), (5, 4367355), (15, 1455785), (23, 949425), (25, 873471), (69, 316475), (75, 291157), (115, 189885), (345, 63295), (575, 37977), (1725, 12659)]