21294345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74717}}^1$

素因数の和:74744

約数の個数: 16

約数和(自身を含む): 35864640

約数和(自身を除く): 14570295

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 74717, 224151, 373585, 1120755, 1419623, 4258869, 7098115, 21294345]

約数ペア:

[(1, 21294345), (3, 7098115), (5, 4258869), (15, 1419623), (19, 1120755), (57, 373585), (95, 224151), (285, 74717)]