21000850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32309}}^1$

素因数の和:32334

約数の個数: 24

約数和(自身を含む): 42067620

約数和(自身を除く): 21066770

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32309, 64618, 161545, 323090, 420017, 807725, 840034, 1615450, 2100085, 4200170, 10500425, 21000850]

約数ペア:

[(1, 21000850), (2, 10500425), (5, 4200170), (10, 2100085), (13, 1615450), (25, 840034), (26, 807725), (50, 420017), (65, 323090), (130, 161545), (325, 64618), (650, 32309)]