21477106

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 17552654

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 307, 526, 614, 1841, 2149, 3682, 4298, 4997, 5833, 9994, 11666, 34979, 40831, 69958, 80741, 81662, 161482, 565187, 1130374, 1534079, 3068158, 10738553, 21477106]

約数ペア:

[(1, 21477106), (2, 10738553), (7, 3068158), (14, 1534079), (19, 1130374), (38, 565187), (133, 161482), (263, 81662), (266, 80741), (307, 69958), (526, 40831), (614, 34979), (1841, 11666), (2149, 9994), (3682, 5833), (4298, 4997)]