21716568

素因数分解:

$2^3\times 3^2\times {\mathrm{301619}}^1$

素因数の和:301631

約数の個数: 24

約数和(自身を含む): 58815900

約数和(自身を除く): 37099332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 301619, 603238, 904857, 1206476, 1809714, 2412952, 2714571, 3619428, 5429142, 7238856, 10858284, 21716568]

約数ペア:

[(1, 21716568), (2, 10858284), (3, 7238856), (4, 5429142), (6, 3619428), (8, 2714571), (9, 2412952), (12, 1809714), (18, 1206476), (24, 904857), (36, 603238), (72, 301619)]