21822745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27109}}^1$

素因数の和:27144

約数の個数: 16

約数和(自身を含む): 31230720

約数和(自身を除く): 9407975

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 27109, 135545, 189763, 623507, 948815, 3117535, 4364549, 21822745]

約数ペア:

[(1, 21822745), (5, 4364549), (7, 3117535), (23, 948815), (35, 623507), (115, 189763), (161, 135545), (805, 27109)]