21067980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351133}}^1$

素因数の和:351145

約数の個数: 24

約数和(自身を含む): 58990512

約数和(自身を除く): 37922532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351133, 702266, 1053399, 1404532, 1755665, 2106798, 3511330, 4213596, 5266995, 7022660, 10533990, 21067980]

約数ペア:

[(1, 21067980), (2, 10533990), (3, 7022660), (4, 5266995), (5, 4213596), (6, 3511330), (10, 2106798), (12, 1755665), (15, 1404532), (20, 1053399), (30, 702266), (60, 351133)]