21285051

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1229}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 8471109

約数列:

[1, 3, 23, 69, 251, 753, 1229, 3687, 5773, 17319, 28267, 84801, 308479, 925437, 7095017, 21285051]

約数ペア:

[(1, 21285051), (3, 7095017), (23, 925437), (69, 308479), (251, 84801), (753, 28267), (1229, 17319), (3687, 5773)]