21693670

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13309}}^1$

素因数の和:13479

約数の個数: 16

約数和(自身を含む): 39291120

約数和(自身を除く): 17597450

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 13309, 26618, 66545, 133090, 2169367, 4338734, 10846835, 21693670]

約数ペア:

[(1, 21693670), (2, 10846835), (5, 4338734), (10, 2169367), (163, 133090), (326, 66545), (815, 26618), (1630, 13309)]