21286293

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44071}}^1$

素因数の和:44104

約数の個数: 16

約数和(自身を含む): 33847296

約数和(自身を除く): 12561003

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44071, 132213, 308497, 925491, 1013633, 3040899, 7095431, 21286293]

約数ペア:

[(1, 21286293), (3, 7095431), (7, 3040899), (21, 1013633), (23, 925491), (69, 308497), (161, 132213), (483, 44071)]