21918542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8831}}^1$

素因数の和:8923

約数の個数: 16

約数和(自身を含む): 35292672

約数和(自身を除く): 13374130

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8831, 17662, 150127, 300254, 644663, 1289326, 10959271, 21918542]

約数ペア:

[(1, 21918542), (2, 10959271), (17, 1289326), (34, 644663), (73, 300254), (146, 150127), (1241, 17662), (2482, 8831)]