21216449450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{41777}}^1$

素因数の和:43247

約数の個数: 48

約数和(自身を含む): 45132272064

約数和(自身を除く): 23915822614

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 1451, 2902, 7255, 10157, 14510, 20314, 36275, 41777, 50785, 72550, 83554, 101570, 208885, 253925, 292439, 417770, 507850, 584878, 1044425, 1462195, 2088850, 2924390, 7310975, 14621950, 60618427, 121236854, 303092135, 424328989, 606184270, 848657978, 1515460675, 2121644945, 3030921350, 4243289890, 10608224725, 21216449450]

約数ペア:

[(1, 21216449450), (2, 10608224725), (5, 4243289890), (7, 3030921350), (10, 2121644945), (14, 1515460675), (25, 848657978), (35, 606184270), (50, 424328989), (70, 303092135), (175, 121236854), (350, 60618427), (1451, 14621950), (2902, 7310975), (7255, 2924390), (10157, 2088850), (14510, 1462195), (20314, 1044425), (36275, 584878), (41777, 507850), (50785, 417770), (72550, 292439), (83554, 253925), (101570, 208885)]