21175686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7307}}^1$

素因数の和:7345

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 33546618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7307, 14614, 21921, 43842, 51149, 65763, 102298, 131526, 153447, 168061, 306894, 336122, 460341, 504183, 920682, 1008366, 1176427, 1512549, 2352854, 3025098, 3529281, 7058562, 10587843, 21175686]

約数ペア:

[(1, 21175686), (2, 10587843), (3, 7058562), (6, 3529281), (7, 3025098), (9, 2352854), (14, 1512549), (18, 1176427), (21, 1008366), (23, 920682), (42, 504183), (46, 460341), (63, 336122), (69, 306894), (126, 168061), (138, 153447), (161, 131526), (207, 102298), (322, 65763), (414, 51149), (483, 43842), (966, 21921), (1449, 14614), (2898, 7307)]