21931728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5021}}^1$

素因数の和:5052

約数の個数: 80

約数和(自身を含む): 69745536

約数和(自身を除く): 47813808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 5021, 10042, 15063, 20084, 30126, 35147, 40168, 60252, 65273, 70294, 80336, 105441, 120504, 130546, 140588, 195819, 210882, 241008, 261092, 281176, 391638, 421764, 456911, 522184, 562352, 783276, 843528, 913822, 1044368, 1370733, 1566552, 1687056, 1827644, 2741466, 3133104, 3655288, 5482932, 7310576, 10965864, 21931728]

約数ペア:

[(1, 21931728), (2, 10965864), (3, 7310576), (4, 5482932), (6, 3655288), (7, 3133104), (8, 2741466), (12, 1827644), (13, 1687056), (14, 1566552), (16, 1370733), (21, 1044368), (24, 913822), (26, 843528), (28, 783276), (39, 562352), (42, 522184), (48, 456911), (52, 421764), (56, 391638), (78, 281176), (84, 261092), (91, 241008), (104, 210882), (112, 195819), (156, 140588), (168, 130546), (182, 120504), (208, 105441), (273, 80336), (312, 70294), (336, 65273), (364, 60252), (546, 40168), (624, 35147), (728, 30126), (1092, 20084), (1456, 15063), (2184, 10042), (4368, 5021)]