21637778

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 33190560

約数和(自身を除く): 11552782

約数列:

[1, 2, 59, 118, 233, 466, 787, 1574, 13747, 27494, 46433, 92866, 183371, 366742, 10818889, 21637778]

約数ペア:

[(1, 21637778), (2, 10818889), (59, 366742), (118, 183371), (233, 92866), (466, 46433), (787, 27494), (1574, 13747)]