21000716359

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1\times {\mathrm{49921}}^1$

素因数の和:53110

約数の個数: 16

約数和(自身を含む): 25272513280

約数和(自身を除く): 4271796921

約数列:

[1, 7, 19, 133, 3163, 22141, 49921, 60097, 349447, 420679, 948499, 6639493, 157900123, 1105300861, 3000102337, 21000716359]

約数ペア:

[(1, 21000716359), (7, 3000102337), (19, 1105300861), (133, 157900123), (3163, 6639493), (22141, 948499), (49921, 420679), (60097, 349447)]