21871078

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9601}}^1$

素因数の和:9687

約数の個数: 16

約数和(自身を含む): 35258544

約数和(自身を除く): 13387466

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9601, 19202, 163217, 326434, 643267, 1286534, 10935539, 21871078]

約数ペア:

[(1, 21871078), (2, 10935539), (17, 1286534), (34, 643267), (67, 326434), (134, 163217), (1139, 19202), (2278, 9601)]