21973378

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{9629}}^1$

素因数の和:9801

約数の個数: 16

約数和(自身を含む): 37903680

約数和(自身を除く): 15930302

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 9629, 19258, 67403, 134806, 1569527, 3139054, 10986689, 21973378]

約数ペア:

[(1, 21973378), (2, 10986689), (7, 3139054), (14, 1569527), (163, 134806), (326, 67403), (1141, 19258), (2282, 9629)]