21139929225

素因数分解:

$3^2\times 5^2\times {\mathrm{7127}}^1\times {\mathrm{13183}}^1$

素因数の和:20326

約数の個数: 36

約数和(自身を含む): 37872147456

約数和(自身を除く): 16732218231

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 7127, 13183, 21381, 35635, 39549, 64143, 65915, 106905, 118647, 178175, 197745, 320715, 329575, 534525, 593235, 988725, 1603575, 2966175, 93955241, 281865723, 469776205, 845597169, 1409328615, 2348881025, 4227985845, 7046643075, 21139929225]

約数ペア:

[(1, 21139929225), (3, 7046643075), (5, 4227985845), (9, 2348881025), (15, 1409328615), (25, 845597169), (45, 469776205), (75, 281865723), (225, 93955241), (7127, 2966175), (13183, 1603575), (21381, 988725), (35635, 593235), (39549, 534525), (64143, 329575), (65915, 320715), (106905, 197745), (118647, 178175)]