21465005770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165115429}}^1$

素因数の和:165115449

約数の個数: 16

約数和(自身を含む): 41609088360

約数和(自身を除く): 20144082590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165115429, 330230858, 825577145, 1651154290, 2146500577, 4293001154, 10732502885, 21465005770]

約数ペア:

[(1, 21465005770), (2, 10732502885), (5, 4293001154), (10, 2146500577), (13, 1651154290), (26, 825577145), (65, 330230858), (130, 165115429)]