21262430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{303749}}^1$

素因数の和:303763

約数の個数: 16

約数和(自身を含む): 43740000

約数和(自身を除く): 22477570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 303749, 607498, 1518745, 2126243, 3037490, 4252486, 10631215, 21262430]

約数ペア:

[(1, 21262430), (2, 10631215), (5, 4252486), (7, 3037490), (10, 2126243), (14, 1518745), (35, 607498), (70, 303749)]