21330542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2309}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11933458

約数列:

[1, 2, 31, 62, 149, 298, 2309, 4618, 4619, 9238, 71579, 143158, 344041, 688082, 10665271, 21330542]

約数ペア:

[(1, 21330542), (2, 10665271), (31, 688082), (62, 344041), (149, 143158), (298, 71579), (2309, 9238), (4618, 4619)]