21066164

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2273}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 42278208

約数和(自身を除く): 21212044

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2273, 2317, 4546, 4634, 9092, 9268, 15911, 31822, 63644, 752363, 1504726, 3009452, 5266541, 10533082, 21066164]

約数ペア:

[(1, 21066164), (2, 10533082), (4, 5266541), (7, 3009452), (14, 1504726), (28, 752363), (331, 63644), (662, 31822), (1324, 15911), (2273, 9268), (2317, 9092), (4546, 4634)]