21419655

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{24203}}^1$

素因数の和:24270

約数の個数: 16

約数和(自身を含む): 34853760

約数和(自身を除く): 13434105

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 24203, 72609, 121015, 363045, 1427977, 4283931, 7139885, 21419655]

約数ペア:

[(1, 21419655), (3, 7139885), (5, 4283931), (15, 1427977), (59, 363045), (177, 121015), (295, 72609), (885, 24203)]