21617658

素因数分解:

$2^1\times 3^3\times {\mathrm{313}}^1\times {\mathrm{1279}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 48230400

約数和(自身を除く): 26612742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 313, 626, 939, 1279, 1878, 2558, 2817, 3837, 5634, 7674, 8451, 11511, 16902, 23022, 34533, 69066, 400327, 800654, 1200981, 2401962, 3602943, 7205886, 10808829, 21617658]

約数ペア:

[(1, 21617658), (2, 10808829), (3, 7205886), (6, 3602943), (9, 2401962), (18, 1200981), (27, 800654), (54, 400327), (313, 69066), (626, 34533), (939, 23022), (1279, 16902), (1878, 11511), (2558, 8451), (2817, 7674), (3837, 5634)]