21612208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43573}}^1$

素因数の和:43612

約数の個数: 20

約数和(自身を含む): 43225408

約数和(自身を除く): 21613200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43573, 87146, 174292, 348584, 697168, 1350763, 2701526, 5403052, 10806104, 21612208]

約数ペア:

[(1, 21612208), (2, 10806104), (4, 5403052), (8, 2701526), (16, 1350763), (31, 697168), (62, 348584), (124, 174292), (248, 87146), (496, 43573)]