21185252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5801}}^1$

素因数の和:5899

約数の個数: 24

約数和(自身を含む): 40938912

約数和(自身を除く): 19753660

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5801, 11602, 23204, 63811, 127622, 255244, 481483, 962966, 1925932, 5296313, 10592626, 21185252]

約数ペア:

[(1, 21185252), (2, 10592626), (4, 5296313), (11, 1925932), (22, 962966), (44, 481483), (83, 255244), (166, 127622), (332, 63811), (913, 23204), (1826, 11602), (3652, 5801)]