21263450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32713}}^1$

素因数の和:32738

約数の個数: 24

約数和(自身を含む): 42593628

約数和(自身を除く): 21330178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32713, 65426, 163565, 327130, 425269, 817825, 850538, 1635650, 2126345, 4252690, 10631725, 21263450]

約数ペア:

[(1, 21263450), (2, 10631725), (5, 4252690), (10, 2126345), (13, 1635650), (25, 850538), (26, 817825), (50, 425269), (65, 327130), (130, 163565), (325, 65426), (650, 32713)]