21628556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{13829}}^1$

素因数の和:13873

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 20193364

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 13829, 27658, 55316, 235093, 318067, 470186, 636134, 940372, 1272268, 5407139, 10814278, 21628556]

約数ペア:

[(1, 21628556), (2, 10814278), (4, 5407139), (17, 1272268), (23, 940372), (34, 636134), (46, 470186), (68, 318067), (92, 235093), (391, 55316), (782, 27658), (1564, 13829)]