21967980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366133}}^1$

素因数の和:366145

約数の個数: 24

約数和(自身を含む): 61510512

約数和(自身を除く): 39542532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366133, 732266, 1098399, 1464532, 1830665, 2196798, 3661330, 4393596, 5491995, 7322660, 10983990, 21967980]

約数ペア:

[(1, 21967980), (2, 10983990), (3, 7322660), (4, 5491995), (5, 4393596), (6, 3661330), (10, 2196798), (12, 1830665), (15, 1464532), (20, 1098399), (30, 732266), (60, 366133)]