21337516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1753}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 39780720

約数和(自身を除く): 18443204

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 1753, 3043, 3506, 6086, 7012, 12172, 29801, 59602, 119204, 313787, 627574, 1255148, 5334379, 10668758, 21337516]

約数ペア:

[(1, 21337516), (2, 10668758), (4, 5334379), (17, 1255148), (34, 627574), (68, 313787), (179, 119204), (358, 59602), (716, 29801), (1753, 12172), (3043, 7012), (3506, 6086)]