21090589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 24169600

約数和(自身を除く): 3079011

約数列:

[1, 13, 19, 103, 247, 829, 1339, 1957, 10777, 15751, 25441, 85387, 204763, 1110031, 1622353, 21090589]

約数ペア:

[(1, 21090589), (13, 1622353), (19, 1110031), (103, 204763), (247, 85387), (829, 25441), (1339, 15751), (1957, 10777)]