21123864

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 58008600

約数和(自身を除く): 36884736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 4019, 5256, 8038, 12057, 16076, 24114, 32152, 36171, 48228, 72342, 96456, 144684, 289368, 293387, 586774, 880161, 1173548, 1760322, 2347096, 2640483, 3520644, 5280966, 7041288, 10561932, 21123864]

約数ペア:

[(1, 21123864), (2, 10561932), (3, 7041288), (4, 5280966), (6, 3520644), (8, 2640483), (9, 2347096), (12, 1760322), (18, 1173548), (24, 880161), (36, 586774), (72, 293387), (73, 289368), (146, 144684), (219, 96456), (292, 72342), (438, 48228), (584, 36171), (657, 32152), (876, 24114), (1314, 16076), (1752, 12057), (2628, 8038), (4019, 5256)]