21535844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5897}}^1$

素因数の和:5995

約数の個数: 24

約数和(自身を含む): 41616288

約数和(自身を除く): 20080444

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5897, 11794, 23588, 64867, 129734, 259468, 489451, 978902, 1957804, 5383961, 10767922, 21535844]

約数ペア:

[(1, 21535844), (2, 10767922), (4, 5383961), (11, 1957804), (22, 978902), (44, 489451), (83, 259468), (166, 129734), (332, 64867), (913, 23588), (1826, 11794), (3652, 5897)]