21816396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86573}}^1$

素因数の和:86590

約数の個数: 36

約数和(自身を含む): 63025872

約数和(自身を除く): 41209476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86573, 173146, 259719, 346292, 519438, 606011, 779157, 1038876, 1212022, 1558314, 1818033, 2424044, 3116628, 3636066, 5454099, 7272132, 10908198, 21816396]

約数ペア:

[(1, 21816396), (2, 10908198), (3, 7272132), (4, 5454099), (6, 3636066), (7, 3116628), (9, 2424044), (12, 1818033), (14, 1558314), (18, 1212022), (21, 1038876), (28, 779157), (36, 606011), (42, 519438), (63, 346292), (84, 259719), (126, 173146), (252, 86573)]