21760643

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 24064800

約数和(自身を除く): 2304157

約数列:

[1, 19, 29, 73, 541, 551, 1387, 2117, 10279, 15689, 39493, 40223, 298091, 750367, 1145297, 21760643]

約数ペア:

[(1, 21760643), (19, 1145297), (29, 750367), (73, 298091), (541, 40223), (551, 39493), (1387, 15689), (2117, 10279)]