21859656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10009}}^1$

素因数の和:10038

約数の個数: 64

約数和(自身を含む): 67267200

約数和(自身を除く): 45407544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 10009, 20018, 30027, 40036, 60054, 70063, 80072, 120108, 130117, 140126, 210189, 240216, 260234, 280252, 390351, 420378, 520468, 560504, 780702, 840756, 910819, 1040936, 1561404, 1681512, 1821638, 2732457, 3122808, 3643276, 5464914, 7286552, 10929828, 21859656]

約数ペア:

[(1, 21859656), (2, 10929828), (3, 7286552), (4, 5464914), (6, 3643276), (7, 3122808), (8, 2732457), (12, 1821638), (13, 1681512), (14, 1561404), (21, 1040936), (24, 910819), (26, 840756), (28, 780702), (39, 560504), (42, 520468), (52, 420378), (56, 390351), (78, 280252), (84, 260234), (91, 240216), (104, 210189), (156, 140126), (168, 130117), (182, 120108), (273, 80072), (312, 70063), (364, 60054), (546, 40036), (728, 30027), (1092, 20018), (2184, 10009)]