21981842115

素因数分解:

$3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2621}}^1\times {\mathrm{2897}}^1$

素因数の和:5719

約数の個数: 32

約数和(自身を含む): 35378876736

約数和(自身を除く): 13397034621

約数列:

[1, 3, 5, 15, 193, 579, 965, 2621, 2895, 2897, 7863, 8691, 13105, 14485, 39315, 43455, 505853, 559121, 1517559, 1677363, 2529265, 2795605, 7587795, 7593037, 8386815, 22779111, 37965185, 113895555, 1465456141, 4396368423, 7327280705, 21981842115]

約数ペア:

[(1, 21981842115), (3, 7327280705), (5, 4396368423), (15, 1465456141), (193, 113895555), (579, 37965185), (965, 22779111), (2621, 8386815), (2895, 7593037), (2897, 7587795), (7863, 2795605), (8691, 2529265), (13105, 1677363), (14485, 1517559), (39315, 559121), (43455, 505853)]