21608040579

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{296981}}^1$

素因数の和:297370

約数の個数: 16

約数和(自身を含む): 29270545920

約数和(自身を除く): 7662505341

約数列:

[1, 3, 79, 237, 307, 921, 24253, 72759, 296981, 890943, 23461499, 70384497, 91173167, 273519501, 7202680193, 21608040579]

約数ペア:

[(1, 21608040579), (3, 7202680193), (79, 273519501), (237, 91173167), (307, 70384497), (921, 23461499), (24253, 890943), (72759, 296981)]