21484450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33053}}^1$

素因数の和:33078

約数の個数: 24

約数和(自身を含む): 43036308

約数和(自身を除く): 21551858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33053, 66106, 165265, 330530, 429689, 826325, 859378, 1652650, 2148445, 4296890, 10742225, 21484450]

約数ペア:

[(1, 21484450), (2, 10742225), (5, 4296890), (10, 2148445), (13, 1652650), (25, 859378), (26, 826325), (50, 429689), (65, 330530), (130, 165265), (325, 66106), (650, 33053)]