21671760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8209}}^1$

素因数の和:8236

約数の個数: 80

約数和(自身を含む): 73298880

約数和(自身を除く): 51627120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8209, 16418, 24627, 32836, 41045, 49254, 65672, 82090, 90299, 98508, 123135, 131344, 164180, 180598, 197016, 246270, 270897, 328360, 361196, 394032, 451495, 492540, 541794, 656720, 722392, 902990, 985080, 1083588, 1354485, 1444784, 1805980, 1970160, 2167176, 2708970, 3611960, 4334352, 5417940, 7223920, 10835880, 21671760]

約数ペア:

[(1, 21671760), (2, 10835880), (3, 7223920), (4, 5417940), (5, 4334352), (6, 3611960), (8, 2708970), (10, 2167176), (11, 1970160), (12, 1805980), (15, 1444784), (16, 1354485), (20, 1083588), (22, 985080), (24, 902990), (30, 722392), (33, 656720), (40, 541794), (44, 492540), (48, 451495), (55, 394032), (60, 361196), (66, 328360), (80, 270897), (88, 246270), (110, 197016), (120, 180598), (132, 164180), (165, 131344), (176, 123135), (220, 98508), (240, 90299), (264, 82090), (330, 65672), (440, 49254), (528, 41045), (660, 32836), (880, 24627), (1320, 16418), (2640, 8209)]