21040524

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1619}}^1$

素因数の和:1667

約数の個数: 54

約数和(自身を含む): 56167020

約数和(自身を除く): 35126496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1619, 2166, 3238, 3249, 4332, 4857, 6476, 6498, 9714, 12996, 14571, 19428, 29142, 30761, 58284, 61522, 92283, 123044, 184566, 276849, 369132, 553698, 584459, 1107396, 1168918, 1753377, 2337836, 3506754, 5260131, 7013508, 10520262, 21040524]

約数ペア:

[(1, 21040524), (2, 10520262), (3, 7013508), (4, 5260131), (6, 3506754), (9, 2337836), (12, 1753377), (18, 1168918), (19, 1107396), (36, 584459), (38, 553698), (57, 369132), (76, 276849), (114, 184566), (171, 123044), (228, 92283), (342, 61522), (361, 58284), (684, 30761), (722, 29142), (1083, 19428), (1444, 14571), (1619, 12996), (2166, 9714), (3238, 6498), (3249, 6476), (4332, 4857)]