21936160

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 52581312

約数和(自身を除く): 30645152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1931, 2272, 2840, 3862, 5680, 7724, 9655, 11360, 15448, 19310, 30896, 38620, 61792, 77240, 137101, 154480, 274202, 308960, 548404, 685505, 1096808, 1371010, 2193616, 2742020, 4387232, 5484040, 10968080, 21936160]

約数ペア:

[(1, 21936160), (2, 10968080), (4, 5484040), (5, 4387232), (8, 2742020), (10, 2193616), (16, 1371010), (20, 1096808), (32, 685505), (40, 548404), (71, 308960), (80, 274202), (142, 154480), (160, 137101), (284, 77240), (355, 61792), (568, 38620), (710, 30896), (1136, 19310), (1420, 15448), (1931, 11360), (2272, 9655), (2840, 7724), (3862, 5680)]