21835281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{827}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 31437504

約数和(自身を除く): 9602223

約数列:

[1, 3, 13, 39, 677, 827, 2031, 2481, 8801, 10751, 26403, 32253, 559879, 1679637, 7278427, 21835281]

約数ペア:

[(1, 21835281), (3, 7278427), (13, 1679637), (39, 559879), (677, 32253), (827, 26403), (2031, 10751), (2481, 8801)]