21309264

素因数分解:

$2^4\times 3^3\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:585

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 40561776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 107, 108, 144, 214, 216, 321, 428, 432, 461, 642, 856, 922, 963, 1284, 1383, 1712, 1844, 1926, 2568, 2766, 2889, 3688, 3852, 4149, 5136, 5532, 5778, 7376, 7704, 8298, 11064, 11556, 12447, 15408, 16596, 22128, 23112, 24894, 33192, 46224, 49327, 49788, 66384, 98654, 99576, 147981, 197308, 199152, 295962, 394616, 443943, 591924, 789232, 887886, 1183848, 1331829, 1775772, 2367696, 2663658, 3551544, 5327316, 7103088, 10654632, 21309264]

約数ペア:

[(1, 21309264), (2, 10654632), (3, 7103088), (4, 5327316), (6, 3551544), (8, 2663658), (9, 2367696), (12, 1775772), (16, 1331829), (18, 1183848), (24, 887886), (27, 789232), (36, 591924), (48, 443943), (54, 394616), (72, 295962), (107, 199152), (108, 197308), (144, 147981), (214, 99576), (216, 98654), (321, 66384), (428, 49788), (432, 49327), (461, 46224), (642, 33192), (856, 24894), (922, 23112), (963, 22128), (1284, 16596), (1383, 15408), (1712, 12447), (1844, 11556), (1926, 11064), (2568, 8298), (2766, 7704), (2889, 7376), (3688, 5778), (3852, 5532), (4149, 5136)]