21085825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{36671}}^1$

素因数の和:36704

約数の個数: 12

約数和(自身を含む): 27283968

約数和(自身を除く): 6198143

約数列:

[1, 5, 23, 25, 115, 575, 36671, 183355, 843433, 916775, 4217165, 21085825]

約数ペア:

[(1, 21085825), (5, 4217165), (23, 916775), (25, 843433), (115, 183355), (575, 36671)]