21972225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{26633}}^1$

素因数の和:26657

約数の個数: 24

約数和(自身を含む): 39631392

約数和(自身を除く): 17659167

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 26633, 79899, 133165, 292963, 399495, 665825, 878889, 1464815, 1997475, 4394445, 7324075, 21972225]

約数ペア:

[(1, 21972225), (3, 7324075), (5, 4394445), (11, 1997475), (15, 1464815), (25, 878889), (33, 665825), (55, 399495), (75, 292963), (165, 133165), (275, 79899), (825, 26633)]