21541100288

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{816941}}^1$

素因数の和:817060

約数の個数: 36

約数和(自身を含む): 43415565648

約数和(自身を除く): 21874465360

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 824, 1648, 3296, 6592, 13184, 26368, 816941, 1633882, 3267764, 6535528, 13071056, 26142112, 52284224, 84144923, 104568448, 168289846, 209136896, 336579692, 673159384, 1346318768, 2692637536, 5385275072, 10770550144, 21541100288]

約数ペア:

[(1, 21541100288), (2, 10770550144), (4, 5385275072), (8, 2692637536), (16, 1346318768), (32, 673159384), (64, 336579692), (103, 209136896), (128, 168289846), (206, 104568448), (256, 84144923), (412, 52284224), (824, 26142112), (1648, 13071056), (3296, 6535528), (6592, 3267764), (13184, 1633882), (26368, 816941)]