21690392

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4423}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 40745040

約数和(自身を除く): 19054648

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4423, 4904, 8846, 17692, 35384, 2711299, 5422598, 10845196, 21690392]

約数ペア:

[(1, 21690392), (2, 10845196), (4, 5422598), (8, 2711299), (613, 35384), (1226, 17692), (2452, 8846), (4423, 4904)]