21622249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 25565760

約数和(自身を除く): 3943511

約数列:

[1, 11, 17, 43, 187, 473, 731, 2689, 8041, 29579, 45713, 115627, 502843, 1271897, 1965659, 21622249]

約数ペア:

[(1, 21622249), (11, 1965659), (17, 1271897), (43, 502843), (187, 115627), (473, 45713), (731, 29579), (2689, 8041)]