21863475

素因数分解:

$3^2\times 5^2\times {\mathrm{97171}}^1$

素因数の和:97187

約数の個数: 18

約数和(自身を含む): 39160316

約数和(自身を除く): 17296841

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97171, 291513, 485855, 874539, 1457565, 2429275, 4372695, 7287825, 21863475]

約数ペア:

[(1, 21863475), (3, 7287825), (5, 4372695), (9, 2429275), (15, 1457565), (25, 874539), (45, 485855), (75, 291513), (225, 97171)]