21609075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12527}}^1$

素因数の和:12563

約数の個数: 24

約数和(自身を含む): 37283328

約数和(自身を除く): 15674253

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 12527, 37581, 62635, 187905, 288121, 313175, 864363, 939525, 1440605, 4321815, 7203025, 21609075]

約数ペア:

[(1, 21609075), (3, 7203025), (5, 4321815), (15, 1440605), (23, 939525), (25, 864363), (69, 313175), (75, 288121), (115, 187905), (345, 62635), (575, 37581), (1725, 12527)]