21025666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1249}}^1$

素因数の和:1713

約数の個数: 16

約数和(自身を含む): 33300000

約数和(自身を除く): 12274334

約数列:

[1, 2, 19, 38, 443, 886, 1249, 2498, 8417, 16834, 23731, 47462, 553307, 1106614, 10512833, 21025666]

約数ペア:

[(1, 21025666), (2, 10512833), (19, 1106614), (38, 553307), (443, 47462), (886, 23731), (1249, 16834), (2498, 8417)]