21795890685

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{423509}}^1$

素因数の和:423637

約数の個数: 32

約数和(自身を含む): 36103380480

約数和(自身を除く): 14307489795

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 365, 705, 1095, 3431, 10293, 17155, 51465, 423509, 1270527, 2117545, 6352635, 19904923, 30916157, 59714769, 92748471, 99524615, 154580785, 298573845, 463742355, 1453059379, 4359178137, 7265296895, 21795890685]

約数ペア:

[(1, 21795890685), (3, 7265296895), (5, 4359178137), (15, 1453059379), (47, 463742355), (73, 298573845), (141, 154580785), (219, 99524615), (235, 92748471), (365, 59714769), (705, 30916157), (1095, 19904923), (3431, 6352635), (10293, 2117545), (17155, 1270527), (51465, 423509)]