21926434

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 33463872

約数和(自身を除く): 11537438

約数列:

[1, 2, 103, 163, 206, 326, 653, 1306, 16789, 33578, 67259, 106439, 134518, 212878, 10963217, 21926434]

約数ペア:

[(1, 21926434), (2, 10963217), (103, 212878), (163, 134518), (206, 106439), (326, 67259), (653, 33578), (1306, 16789)]