21486078

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{7603}}^1$

素因数の和:7768

約数の個数: 24

約数和(自身を含む): 46855848

約数和(自身を除く): 25369770

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 7603, 15206, 22809, 45618, 68427, 136854, 1193671, 2387342, 3581013, 7162026, 10743039, 21486078]

約数ペア:

[(1, 21486078), (2, 10743039), (3, 7162026), (6, 3581013), (9, 2387342), (18, 1193671), (157, 136854), (314, 68427), (471, 45618), (942, 22809), (1413, 15206), (2826, 7603)]