21953096

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 45424800

約数和(自身を除く): 23471704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2803, 3916, 5606, 7832, 11212, 22424, 30833, 61666, 123332, 246664, 249467, 498934, 997868, 1995736, 2744137, 5488274, 10976548, 21953096]

約数ペア:

[(1, 21953096), (2, 10976548), (4, 5488274), (8, 2744137), (11, 1995736), (22, 997868), (44, 498934), (88, 249467), (89, 246664), (178, 123332), (356, 61666), (712, 30833), (979, 22424), (1958, 11212), (2803, 7832), (3916, 5606)]