21864568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{248461}}^1$

素因数の和:248478

約数の個数: 16

約数和(自身を含む): 44723160

約数和(自身を除く): 22858592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 248461, 496922, 993844, 1987688, 2733071, 5466142, 10932284, 21864568]

約数ペア:

[(1, 21864568), (2, 10932284), (4, 5466142), (8, 2733071), (11, 1987688), (22, 993844), (44, 496922), (88, 248461)]