21271080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10427}}^1$

素因数の和:10458

約数の個数: 64

約数和(自身を含む): 67573440

約数和(自身を除く): 46302360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10427, 20854, 31281, 41708, 52135, 62562, 83416, 104270, 125124, 156405, 177259, 208540, 250248, 312810, 354518, 417080, 531777, 625620, 709036, 886295, 1063554, 1251240, 1418072, 1772590, 2127108, 2658885, 3545180, 4254216, 5317770, 7090360, 10635540, 21271080]

約数ペア:

[(1, 21271080), (2, 10635540), (3, 7090360), (4, 5317770), (5, 4254216), (6, 3545180), (8, 2658885), (10, 2127108), (12, 1772590), (15, 1418072), (17, 1251240), (20, 1063554), (24, 886295), (30, 709036), (34, 625620), (40, 531777), (51, 417080), (60, 354518), (68, 312810), (85, 250248), (102, 208540), (120, 177259), (136, 156405), (170, 125124), (204, 104270), (255, 83416), (340, 62562), (408, 52135), (510, 41708), (680, 31281), (1020, 20854), (2040, 10427)]