21032085

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13613}}^1$

素因数の和:13724

約数の個数: 16

約数和(自身を含む): 33980544

約数和(自身を除く): 12948459

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 13613, 40839, 68065, 204195, 1402139, 4206417, 7010695, 21032085]

約数ペア:

[(1, 21032085), (3, 7010695), (5, 4206417), (15, 1402139), (103, 204195), (309, 68065), (515, 40839), (1545, 13613)]