21757464

素因数分解:

$2^3\times 3^3\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 39068136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 263, 383, 526, 766, 789, 1052, 1149, 1532, 1578, 2104, 2298, 2367, 3064, 3156, 3447, 4596, 4734, 6312, 6894, 7101, 9192, 9468, 10341, 13788, 14202, 18936, 20682, 27576, 28404, 41364, 56808, 82728, 100729, 201458, 302187, 402916, 604374, 805832, 906561, 1208748, 1813122, 2417496, 2719683, 3626244, 5439366, 7252488, 10878732, 21757464]

約数ペア:

[(1, 21757464), (2, 10878732), (3, 7252488), (4, 5439366), (6, 3626244), (8, 2719683), (9, 2417496), (12, 1813122), (18, 1208748), (24, 906561), (27, 805832), (36, 604374), (54, 402916), (72, 302187), (108, 201458), (216, 100729), (263, 82728), (383, 56808), (526, 41364), (766, 28404), (789, 27576), (1052, 20682), (1149, 18936), (1532, 14202), (1578, 13788), (2104, 10341), (2298, 9468), (2367, 9192), (3064, 7101), (3156, 6894), (3447, 6312), (4596, 4734)]