21372299

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 23971584

約数和(自身を除く): 2599285

約数列:

[1, 13, 31, 181, 293, 403, 2353, 3809, 5611, 9083, 53033, 72943, 118079, 689429, 1644023, 21372299]

約数ペア:

[(1, 21372299), (13, 1644023), (31, 689429), (181, 118079), (293, 72943), (403, 53033), (2353, 9083), (3809, 5611)]