21275115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61667}}^1$

素因数の和:61698

約数の個数: 16

約数和(自身を含む): 35520768

約数和(自身を除く): 14245653

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61667, 185001, 308335, 925005, 1418341, 4255023, 7091705, 21275115]

約数ペア:

[(1, 21275115), (3, 7091705), (5, 4255023), (15, 1418341), (23, 925005), (69, 308335), (115, 185001), (345, 61667)]