21869805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 14478099

約数列:

[1, 3, 5, 15, 47, 67, 141, 201, 235, 335, 463, 705, 1005, 1389, 2315, 3149, 6945, 9447, 15745, 21761, 31021, 47235, 65283, 93063, 108805, 155105, 326415, 465315, 1457987, 4373961, 7289935, 21869805]

約数ペア:

[(1, 21869805), (3, 7289935), (5, 4373961), (15, 1457987), (47, 465315), (67, 326415), (141, 155105), (201, 108805), (235, 93063), (335, 65283), (463, 47235), (705, 31021), (1005, 21761), (1389, 15745), (2315, 9447), (3149, 6945)]