21575265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2719}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 36099840

約数和(自身を除く): 14524575

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 2719, 7935, 8157, 13595, 40785, 62537, 187611, 312685, 938055, 1438351, 4315053, 7191755, 21575265]

約数ペア:

[(1, 21575265), (3, 7191755), (5, 4315053), (15, 1438351), (23, 938055), (69, 312685), (115, 187611), (345, 62537), (529, 40785), (1587, 13595), (2645, 8157), (2719, 7935)]