21590360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49069}}^1$

素因数の和:49091

約数の個数: 32

約数和(自身を含む): 52995600

約数和(自身を除く): 31405240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49069, 98138, 196276, 245345, 392552, 490690, 539759, 981380, 1079518, 1962760, 2159036, 2698795, 4318072, 5397590, 10795180, 21590360]

約数ペア:

[(1, 21590360), (2, 10795180), (4, 5397590), (5, 4318072), (8, 2698795), (10, 2159036), (11, 1962760), (20, 1079518), (22, 981380), (40, 539759), (44, 490690), (55, 392552), (88, 245345), (110, 196276), (220, 98138), (440, 49069)]