21440859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38219}}^1$

素因数の和:38250

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 11581221

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38219, 114657, 420409, 649723, 1261227, 1949169, 7146953, 21440859]

約数ペア:

[(1, 21440859), (3, 7146953), (11, 1949169), (17, 1261227), (33, 649723), (51, 420409), (187, 114657), (561, 38219)]