21982860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40709}}^1$

素因数の和:40727

約数の個数: 48

約数和(自身を含む): 68392800

約数和(自身を除く): 46409940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40709, 81418, 122127, 162836, 203545, 244254, 366381, 407090, 488508, 610635, 732762, 814180, 1099143, 1221270, 1465524, 1831905, 2198286, 2442540, 3663810, 4396572, 5495715, 7327620, 10991430, 21982860]

約数ペア:

[(1, 21982860), (2, 10991430), (3, 7327620), (4, 5495715), (5, 4396572), (6, 3663810), (9, 2442540), (10, 2198286), (12, 1831905), (15, 1465524), (18, 1221270), (20, 1099143), (27, 814180), (30, 732762), (36, 610635), (45, 488508), (54, 407090), (60, 366381), (90, 244254), (108, 203545), (135, 162836), (180, 122127), (270, 81418), (540, 40709)]