21460958

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1667}}^1$

素因数の和:1867

約数の個数: 16

約数和(自身を含む): 33206544

約数和(自身を除く): 11745586

約数列:

[1, 2, 41, 82, 157, 314, 1667, 3334, 6437, 12874, 68347, 136694, 261719, 523438, 10730479, 21460958]

約数ペア:

[(1, 21460958), (2, 10730479), (41, 523438), (82, 261719), (157, 136694), (314, 68347), (1667, 12874), (3334, 6437)]