21639922

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8193

約数の個数: 16

約数和(自身を含む): 34290432

約数和(自身を除く): 12650510

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8117, 16234, 251627, 349031, 503254, 698062, 10819961, 21639922]

約数ペア:

[(1, 21639922), (2, 10819961), (31, 698062), (43, 503254), (62, 349031), (86, 251627), (1333, 16234), (2666, 8117)]