21895080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7933}}^1$

素因数の和:7970

約数の個数: 64

約数和(自身を含む): 68549760

約数和(自身を除く): 46654680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7933, 15866, 23799, 31732, 39665, 47598, 63464, 79330, 95196, 118995, 158660, 182459, 190392, 237990, 317320, 364918, 475980, 547377, 729836, 912295, 951960, 1094754, 1459672, 1824590, 2189508, 2736885, 3649180, 4379016, 5473770, 7298360, 10947540, 21895080]

約数ペア:

[(1, 21895080), (2, 10947540), (3, 7298360), (4, 5473770), (5, 4379016), (6, 3649180), (8, 2736885), (10, 2189508), (12, 1824590), (15, 1459672), (20, 1094754), (23, 951960), (24, 912295), (30, 729836), (40, 547377), (46, 475980), (60, 364918), (69, 317320), (92, 237990), (115, 190392), (120, 182459), (138, 158660), (184, 118995), (230, 95196), (276, 79330), (345, 63464), (460, 47598), (552, 39665), (690, 31732), (920, 23799), (1380, 15866), (2760, 7933)]