21332705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2221}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 27357264

約数和(自身を除く): 6024559

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2221, 9605, 11105, 37757, 188785, 250973, 1254865, 4266541, 21332705]

約数ペア:

[(1, 21332705), (5, 4266541), (17, 1254865), (85, 250973), (113, 188785), (565, 37757), (1921, 11105), (2221, 9605)]