21006417

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1951}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 29076992

約数和(自身を除く): 8070575

約数列:

[1, 3, 37, 97, 111, 291, 1951, 3589, 5853, 10767, 72187, 189247, 216561, 567741, 7002139, 21006417]

約数ペア:

[(1, 21006417), (3, 7002139), (37, 567741), (97, 216561), (111, 189247), (291, 72187), (1951, 10767), (3589, 5853)]