21000434690

素因数分解:

$2^1\times 5^1\times {\mathrm{357211}}^1\times {\mathrm{5879}}^1$

素因数の和:363097

約数の個数: 16

約数和(自身を含む): 37807318080

約数和(自身を除く): 16806883390

約数列:

[1, 2, 5, 10, 5879, 11758, 29395, 58790, 357211, 714422, 1786055, 3572110, 2100043469, 4200086938, 10500217345, 21000434690]

約数ペア:

[(1, 21000434690), (2, 10500217345), (5, 4200086938), (10, 2100043469), (5879, 3572110), (11758, 1786055), (29395, 714422), (58790, 357211)]