21129893

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 2025307

約数列:

[1, 23, 29, 79, 401, 667, 1817, 2291, 9223, 11629, 31679, 52693, 267467, 728617, 918691, 21129893]

約数ペア:

[(1, 21129893), (23, 918691), (29, 728617), (79, 267467), (401, 52693), (667, 31679), (1817, 11629), (2291, 9223)]