21599694

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 49729680

約数和(自身を除く): 28129986

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 461, 822, 922, 1233, 1383, 2466, 2603, 2766, 4149, 5206, 7809, 8298, 8759, 15618, 17518, 23427, 26277, 46854, 52554, 63157, 78831, 126314, 157662, 189471, 378942, 568413, 1136826, 1199983, 2399966, 3599949, 7199898, 10799847, 21599694]

約数ペア:

[(1, 21599694), (2, 10799847), (3, 7199898), (6, 3599949), (9, 2399966), (18, 1199983), (19, 1136826), (38, 568413), (57, 378942), (114, 189471), (137, 157662), (171, 126314), (274, 78831), (342, 63157), (411, 52554), (461, 46854), (822, 26277), (922, 23427), (1233, 17518), (1383, 15618), (2466, 8759), (2603, 8298), (2766, 7809), (4149, 5206)]