21283887984

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{685339}}^1$

素因数の和:685997

約数の個数: 40

約数和(自身を含む): 55068439680

約数和(自身を除く): 33784551696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 1294, 1941, 2588, 3882, 5176, 7764, 10352, 15528, 31056, 685339, 1370678, 2056017, 2741356, 4112034, 5482712, 8224068, 10965424, 16448136, 32896272, 443414333, 886828666, 1330242999, 1773657332, 2660485998, 3547314664, 5320971996, 7094629328, 10641943992, 21283887984]

約数ペア:

[(1, 21283887984), (2, 10641943992), (3, 7094629328), (4, 5320971996), (6, 3547314664), (8, 2660485998), (12, 1773657332), (16, 1330242999), (24, 886828666), (48, 443414333), (647, 32896272), (1294, 16448136), (1941, 10965424), (2588, 8224068), (3882, 5482712), (5176, 4112034), (7764, 2741356), (10352, 2056017), (15528, 1370678), (31056, 685339)]