21000913310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3463}}^1\times {\mathrm{46649}}^1$

素因数の和:50132

約数の個数: 32

約数和(自身を含む): 40722091200

約数和(自身を除く): 19721177890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3463, 6926, 17315, 34630, 45019, 46649, 90038, 93298, 225095, 233245, 450190, 466490, 606437, 1212874, 3032185, 6064370, 161545487, 323090974, 807727435, 1615454870, 2100091331, 4200182662, 10500456655, 21000913310]

約数ペア:

[(1, 21000913310), (2, 10500456655), (5, 4200182662), (10, 2100091331), (13, 1615454870), (26, 807727435), (65, 323090974), (130, 161545487), (3463, 6064370), (6926, 3032185), (17315, 1212874), (34630, 606437), (45019, 466490), (46649, 450190), (90038, 233245), (93298, 225095)]