21001151856

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10671317}}^1$

素因数の和:10671369

約数の個数: 40

約数和(自身を含む): 55576224144

約数和(自身を除く): 34575072288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10671317, 21342634, 32013951, 42685268, 64027902, 85370536, 128055804, 170741072, 256111608, 437523997, 512223216, 875047994, 1312571991, 1750095988, 2625143982, 3500191976, 5250287964, 7000383952, 10500575928, 21001151856]

約数ペア:

[(1, 21001151856), (2, 10500575928), (3, 7000383952), (4, 5250287964), (6, 3500191976), (8, 2625143982), (12, 1750095988), (16, 1312571991), (24, 875047994), (41, 512223216), (48, 437523997), (82, 256111608), (123, 170741072), (164, 128055804), (246, 85370536), (328, 64027902), (492, 42685268), (656, 32013951), (984, 21342634), (1968, 10671317)]