21989388632

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{317729}}^1$

素因数の和:317987

約数の個数: 32

約数和(自身を含む): 42436018800

約数和(自身を除く): 20446630168

約数列:

[1, 2, 4, 8, 41, 82, 164, 211, 328, 422, 844, 1688, 8651, 17302, 34604, 69208, 317729, 635458, 1270916, 2541832, 13026889, 26053778, 52107556, 67040819, 104215112, 134081638, 268163276, 536326552, 2748673579, 5497347158, 10994694316, 21989388632]

約数ペア:

[(1, 21989388632), (2, 10994694316), (4, 5497347158), (8, 2748673579), (41, 536326552), (82, 268163276), (164, 134081638), (211, 104215112), (328, 67040819), (422, 52107556), (844, 26053778), (1688, 13026889), (8651, 2541832), (17302, 1270916), (34604, 635458), (69208, 317729)]