21573994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1367}}^1$

素因数の和:1989

約数の個数: 16

約数和(自身を含む): 34933248

約数和(自身を除く): 13359254

約数列:

[1, 2, 13, 26, 607, 1214, 1367, 2734, 7891, 15782, 17771, 35542, 829769, 1659538, 10786997, 21573994]

約数ペア:

[(1, 21573994), (2, 10786997), (13, 1659538), (26, 829769), (607, 35542), (1214, 17771), (1367, 15782), (2734, 7891)]