21989310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104711}}^1$

素因数の和:104728

約数の個数: 32

約数和(自身を含む): 60314112

約数和(自身を除く): 38324802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104711, 209422, 314133, 523555, 628266, 732977, 1047110, 1465954, 1570665, 2198931, 3141330, 3664885, 4397862, 7329770, 10994655, 21989310]

約数ペア:

[(1, 21989310), (2, 10994655), (3, 7329770), (5, 4397862), (6, 3664885), (7, 3141330), (10, 2198931), (14, 1570665), (15, 1465954), (21, 1047110), (30, 732977), (35, 628266), (42, 523555), (70, 314133), (105, 209422), (210, 104711)]