21745310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 41484960

約数和(自身を除く): 19739650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 593, 965, 1186, 1930, 2965, 3667, 5930, 7334, 11267, 18335, 22534, 36670, 56335, 112670, 114449, 228898, 572245, 1144490, 2174531, 4349062, 10872655, 21745310]

約数ペア:

[(1, 21745310), (2, 10872655), (5, 4349062), (10, 2174531), (19, 1144490), (38, 572245), (95, 228898), (190, 114449), (193, 112670), (386, 56335), (593, 36670), (965, 22534), (1186, 18335), (1930, 11267), (2965, 7334), (3667, 5930)]