21139960583

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{210761}}^1$

素因数の和:210887

約数の個数: 24

約数和(自身を含む): 25949017440

約数和(自身を除く): 4809056857

約数列:

[1, 7, 23, 49, 89, 161, 623, 1127, 2047, 4361, 14329, 100303, 210761, 1475327, 4847503, 10327289, 18757729, 33932521, 131304103, 237527647, 431427767, 919128721, 3019994369, 21139960583]

約数ペア:

[(1, 21139960583), (7, 3019994369), (23, 919128721), (49, 431427767), (89, 237527647), (161, 131304103), (623, 33932521), (1127, 18757729), (2047, 10327289), (4361, 4847503), (14329, 1475327), (100303, 210761)]