21499954

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{26029}}^1$

素因数の和:26097

約数の個数: 16

約数和(自身を含む): 37483200

約数和(自身を除く): 15983246

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 26029, 52058, 182203, 364406, 1535711, 3071422, 10749977, 21499954]

約数ペア:

[(1, 21499954), (2, 10749977), (7, 3071422), (14, 1535711), (59, 364406), (118, 182203), (413, 52058), (826, 26029)]