21370460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{28879}}^1$

素因数の和:28925

約数の個数: 24

約数和(自身を含む): 46092480

約数和(自身を除く): 24722020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 28879, 57758, 115516, 144395, 288790, 577580, 1068523, 2137046, 4274092, 5342615, 10685230, 21370460]

約数ペア:

[(1, 21370460), (2, 10685230), (4, 5342615), (5, 4274092), (10, 2137046), (20, 1068523), (37, 577580), (74, 288790), (148, 144395), (185, 115516), (370, 57758), (740, 28879)]