21421823284

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{18530989}}^1$

素因数の和:18531027

約数の個数: 18

約数和(自身を含む): 39823097510

約数和(自身を除く): 18401274226

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 18530989, 37061978, 74123956, 315026813, 630053626, 1260107252, 5355455821, 10710911642, 21421823284]

約数ペア:

[(1, 21421823284), (2, 10710911642), (4, 5355455821), (17, 1260107252), (34, 630053626), (68, 315026813), (289, 74123956), (578, 37061978), (1156, 18530989)]