21619956

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43943}}^1$

素因数の和:43991

約数の個数: 24

約数和(自身を含む): 51678144

約数和(自身を除く): 30058188

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43943, 87886, 131829, 175772, 263658, 527316, 1801663, 3603326, 5404989, 7206652, 10809978, 21619956]

約数ペア:

[(1, 21619956), (2, 10809978), (3, 7206652), (4, 5404989), (6, 3603326), (12, 1801663), (41, 527316), (82, 263658), (123, 175772), (164, 131829), (246, 87886), (492, 43943)]