21908506

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{787}}^1$

素因数の和:1269

約数の個数: 16

約数和(自身を含む): 34041600

約数和(自身を除く): 12133094

約数列:

[1, 2, 31, 62, 449, 787, 898, 1574, 13919, 24397, 27838, 48794, 353363, 706726, 10954253, 21908506]

約数ペア:

[(1, 21908506), (2, 10954253), (31, 706726), (62, 353363), (449, 48794), (787, 27838), (898, 24397), (1574, 13919)]