21897416

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{18127}}^1$

素因数の和:18284

約数の個数: 16

約数和(自身を含む): 41331840

約数和(自身を除く): 19434424

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 18127, 36254, 72508, 145016, 2737177, 5474354, 10948708, 21897416]

約数ペア:

[(1, 21897416), (2, 10948708), (4, 5474354), (8, 2737177), (151, 145016), (302, 72508), (604, 36254), (1208, 18127)]