21999777

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13309}}^1$

素因数の和:13360

約数の個数: 16

約数和(自身を含む): 31944000

約数和(自身を除く): 9944223

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 13309, 39927, 252871, 385961, 758613, 1157883, 7333259, 21999777]

約数ペア:

[(1, 21999777), (3, 7333259), (19, 1157883), (29, 758613), (57, 385961), (87, 252871), (551, 39927), (1653, 13309)]