21766580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98939}}^1$

素因数の和:98959

約数の個数: 24

約数和(自身を含む): 49865760

約数和(自身を除く): 28099180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98939, 197878, 395756, 494695, 989390, 1088329, 1978780, 2176658, 4353316, 5441645, 10883290, 21766580]

約数ペア:

[(1, 21766580), (2, 10883290), (4, 5441645), (5, 4353316), (10, 2176658), (11, 1978780), (20, 1088329), (22, 989390), (44, 494695), (55, 395756), (110, 197878), (220, 98939)]