21423786125

素因数分解:

$5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{112831}}^1$

素因数の和:112891

約数の個数: 48

約数和(自身を含む): 32105668608

約数和(自身を除く): 10681882483

約数列:

[1, 5, 7, 25, 31, 35, 49, 125, 155, 175, 217, 245, 775, 875, 1085, 1225, 1519, 3875, 5425, 6125, 7595, 27125, 37975, 112831, 189875, 564155, 789817, 2820775, 3497761, 3949085, 5528719, 14103875, 17488805, 19745425, 24484327, 27643595, 87444025, 98727125, 122421635, 138217975, 171390289, 437220125, 612108175, 691089875, 856951445, 3060540875, 4284757225, 21423786125]

約数ペア:

[(1, 21423786125), (5, 4284757225), (7, 3060540875), (25, 856951445), (31, 691089875), (35, 612108175), (49, 437220125), (125, 171390289), (155, 138217975), (175, 122421635), (217, 98727125), (245, 87444025), (775, 27643595), (875, 24484327), (1085, 19745425), (1225, 17488805), (1519, 14103875), (3875, 5528719), (5425, 3949085), (6125, 3497761), (7595, 2820775), (27125, 789817), (37975, 564155), (112831, 189875)]