21375698

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4523}}^1$

素因数の和:4681

約数の個数: 16

約数和(自身を含む): 34201440

約数和(自身を除く): 12825742

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4523, 4726, 9046, 76891, 153782, 628697, 1257394, 10687849, 21375698]

約数ペア:

[(1, 21375698), (2, 10687849), (17, 1257394), (34, 628697), (139, 153782), (278, 76891), (2363, 9046), (4523, 4726)]