21304821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{1051}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 29540160

約数和(自身を除く): 8235339

約数列:

[1, 3, 29, 87, 233, 699, 1051, 3153, 6757, 20271, 30479, 91437, 244883, 734649, 7101607, 21304821]

約数ペア:

[(1, 21304821), (3, 7101607), (29, 734649), (87, 244883), (233, 91437), (699, 30479), (1051, 20271), (3153, 6757)]