21331920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88883}}^1$

素因数の和:88899

約数の個数: 40

約数和(自身を含む): 66129696

約数和(自身を除く): 44797776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88883, 177766, 266649, 355532, 444415, 533298, 711064, 888830, 1066596, 1333245, 1422128, 1777660, 2133192, 2666490, 3555320, 4266384, 5332980, 7110640, 10665960, 21331920]

約数ペア:

[(1, 21331920), (2, 10665960), (3, 7110640), (4, 5332980), (5, 4266384), (6, 3555320), (8, 2666490), (10, 2133192), (12, 1777660), (15, 1422128), (16, 1333245), (20, 1066596), (24, 888830), (30, 711064), (40, 533298), (48, 444415), (60, 355532), (80, 266649), (120, 177766), (240, 88883)]