20212425

素因数分解:

$3^2\times 5^2\times {\mathrm{89833}}^1$

素因数の和:89849

約数の個数: 18

約数和(自身を含む): 36203102

約数和(自身を除く): 15990677

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89833, 269499, 449165, 808497, 1347495, 2245825, 4042485, 6737475, 20212425]

約数ペア:

[(1, 20212425), (3, 6737475), (5, 4042485), (9, 2245825), (15, 1347495), (25, 808497), (45, 449165), (75, 269499), (225, 89833)]