21892786

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 33537600

約数和(自身を除く): 11644814

約数列:

[1, 2, 67, 134, 199, 398, 821, 1642, 13333, 26666, 55007, 110014, 163379, 326758, 10946393, 21892786]

約数ペア:

[(1, 21892786), (2, 10946393), (67, 326758), (134, 163379), (199, 110014), (398, 55007), (821, 26666), (1642, 13333)]