21821759570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{98221}}^1$

素因数の和:99950

約数の個数: 32

約数和(自身を含む): 42325824240

約数和(自身を除く): 20504064670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1709, 3418, 8545, 17090, 22217, 44434, 98221, 111085, 196442, 222170, 491105, 982210, 1276873, 2553746, 6384365, 12768730, 167859689, 335719378, 839298445, 1678596890, 2182175957, 4364351914, 10910879785, 21821759570]

約数ペア:

[(1, 21821759570), (2, 10910879785), (5, 4364351914), (10, 2182175957), (13, 1678596890), (26, 839298445), (65, 335719378), (130, 167859689), (1709, 12768730), (3418, 6384365), (8545, 2553746), (17090, 1276873), (22217, 982210), (44434, 491105), (98221, 222170), (111085, 196442)]