21319666

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 14449934

約数列:

[1, 2, 17, 23, 34, 46, 137, 199, 274, 391, 398, 782, 2329, 3151, 3383, 4577, 4658, 6302, 6766, 9154, 27263, 53567, 54526, 77809, 107134, 155618, 463471, 627049, 926942, 1254098, 10659833, 21319666]

約数ペア:

[(1, 21319666), (2, 10659833), (17, 1254098), (23, 926942), (34, 627049), (46, 463471), (137, 155618), (199, 107134), (274, 77809), (391, 54526), (398, 53567), (782, 27263), (2329, 9154), (3151, 6766), (3383, 6302), (4577, 4658)]