21142020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352367}}^1$

素因数の和:352379

約数の個数: 24

約数和(自身を含む): 59197824

約数和(自身を除く): 38055804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352367, 704734, 1057101, 1409468, 1761835, 2114202, 3523670, 4228404, 5285505, 7047340, 10571010, 21142020]

約数ペア:

[(1, 21142020), (2, 10571010), (3, 7047340), (4, 5285505), (5, 4228404), (6, 3523670), (10, 2114202), (12, 1761835), (15, 1409468), (20, 1057101), (30, 704734), (60, 352367)]