21286626

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86531}}^1$

素因数の和:86577

約数の個数: 16

約数和(自身を含む): 43612128

約数和(自身を除く): 22325502

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86531, 173062, 259593, 519186, 3547771, 7095542, 10643313, 21286626]

約数ペア:

[(1, 21286626), (2, 10643313), (3, 7095542), (6, 3547771), (41, 519186), (82, 259593), (123, 173062), (246, 86531)]