21621026

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11789}}^1$

素因数の和:11929

約数の個数: 16

約数和(自身を含む): 37350720

約数和(自身を除く): 15729694

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11789, 23578, 82523, 165046, 1544359, 3088718, 10810513, 21621026]

約数ペア:

[(1, 21621026), (2, 10810513), (7, 3088718), (14, 1544359), (131, 165046), (262, 82523), (917, 23578), (1834, 11789)]