21882777

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22171}}^1$

素因数の和:22228

約数の個数: 16

約数和(自身を含む): 34056192

約数和(自身を除く): 12173415

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 22171, 66513, 155197, 465591, 1042037, 3126111, 7294259, 21882777]

約数ペア:

[(1, 21882777), (3, 7294259), (7, 3126111), (21, 1042037), (47, 465591), (141, 155197), (329, 66513), (987, 22171)]