21331620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39503}}^1$

素因数の和:39521

約数の個数: 48

約数和(自身を含む): 66366720

約数和(自身を除く): 45035100

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, 39503, 79006, 118509, 158012, 197515, 237018, 355527, 395030, 474036, 592545, 711054, 790060, 1066581, 1185090, 1422108, 1777635, 2133162, 2370180, 3555270, 4266324, 5332905, 7110540, 10665810, 21331620]

約数ペア:

[(1, 21331620), (2, 10665810), (3, 7110540), (4, 5332905), (5, 4266324), (6, 3555270), (9, 2370180), (10, 2133162), (12, 1777635), (15, 1422108), (18, 1185090), (20, 1066581), (27, 790060), (30, 711054), (36, 592545), (45, 474036), (54, 395030), (60, 355527), (90, 237018), (108, 197515), (135, 158012), (180, 118509), (270, 79006), (540, 39503)]