21719566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3643}}^1$

素因数の和:3927

約数の個数: 16

約数和(自身を含む): 35682048

約数和(自身を除く): 13962482

約数列:

[1, 2, 11, 22, 271, 542, 2981, 3643, 5962, 7286, 40073, 80146, 987253, 1974506, 10859783, 21719566]

約数ペア:

[(1, 21719566), (2, 10859783), (11, 1974506), (22, 987253), (271, 80146), (542, 40073), (2981, 7286), (3643, 5962)]