21244725

素因数分解:

$3^2\times 5^2\times {\mathrm{94421}}^1$

素因数の和:94437

約数の個数: 18

約数和(自身を含む): 38052066

約数和(自身を除く): 16807341

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94421, 283263, 472105, 849789, 1416315, 2360525, 4248945, 7081575, 21244725]

約数ペア:

[(1, 21244725), (3, 7081575), (5, 4248945), (9, 2360525), (15, 1416315), (25, 849789), (45, 472105), (75, 283263), (225, 94421)]