21154098501

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{80141}}^1$

素因数の和:80497

約数の個数: 24

約数和(自身を含む): 30921989280

約数和(自身を除く): 9767890779

約数列:

[1, 3, 9, 139, 211, 417, 633, 1251, 1899, 29329, 80141, 87987, 240423, 263961, 721269, 11139599, 16909751, 33418797, 50729253, 100256391, 152187759, 2350455389, 7051366167, 21154098501]

約数ペア:

[(1, 21154098501), (3, 7051366167), (9, 2350455389), (139, 152187759), (211, 100256391), (417, 50729253), (633, 33418797), (1251, 16909751), (1899, 11139599), (29329, 721269), (80141, 263961), (87987, 240423)]