21275506

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9439}}^1$

素因数の和:9478

約数の個数: 24

約数和(自身を含む): 38741760

約数和(自身を除く): 17466254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9439, 18878, 66073, 132146, 217097, 434194, 462511, 925022, 1519679, 3039358, 10637753, 21275506]

約数ペア:

[(1, 21275506), (2, 10637753), (7, 3039358), (14, 1519679), (23, 925022), (46, 462511), (49, 434194), (98, 217097), (161, 132146), (322, 66073), (1127, 18878), (2254, 9439)]