21277967

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 24553200

約数和(自身を除く): 3275233

約数列:

[1, 19, 23, 29, 73, 437, 529, 551, 667, 1387, 1679, 2117, 10051, 12673, 15341, 31901, 38617, 40223, 48691, 291479, 733723, 925129, 1119893, 21277967]

約数ペア:

[(1, 21277967), (19, 1119893), (23, 925129), (29, 733723), (73, 291479), (437, 48691), (529, 40223), (551, 38617), (667, 31901), (1387, 15341), (1679, 12673), (2117, 10051)]