21836771005

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{31051}}^1$

素因数の和:31417

約数の個数: 32

約数和(自身を含む): 30477662208

約数和(自身を除く): 8640891203

約数列:

[1, 5, 7, 35, 71, 283, 355, 497, 1415, 1981, 2485, 9905, 20093, 31051, 100465, 140651, 155255, 217357, 703255, 1086785, 2204621, 8787433, 11023105, 15432347, 43937165, 61512031, 77161735, 307560155, 623907743, 3119538715, 4367354201, 21836771005]

約数ペア:

[(1, 21836771005), (5, 4367354201), (7, 3119538715), (35, 623907743), (71, 307560155), (283, 77161735), (355, 61512031), (497, 43937165), (1415, 15432347), (1981, 11023105), (2485, 8787433), (9905, 2204621), (20093, 1086785), (31051, 703255), (100465, 217357), (140651, 155255)]