21729756

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 53399808

約数和(自身を除く): 31670052

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 131, 138, 262, 276, 393, 524, 601, 786, 1202, 1572, 1803, 2404, 3013, 3606, 6026, 7212, 9039, 12052, 13823, 18078, 27646, 36156, 41469, 55292, 78731, 82938, 157462, 165876, 236193, 314924, 472386, 944772, 1810813, 3621626, 5432439, 7243252, 10864878, 21729756]

約数ペア:

[(1, 21729756), (2, 10864878), (3, 7243252), (4, 5432439), (6, 3621626), (12, 1810813), (23, 944772), (46, 472386), (69, 314924), (92, 236193), (131, 165876), (138, 157462), (262, 82938), (276, 78731), (393, 55292), (524, 41469), (601, 36156), (786, 27646), (1202, 18078), (1572, 13823), (1803, 12052), (2404, 9039), (3013, 7212), (3606, 6026)]