21230178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208139}}^1$

素因数の和:208161

約数の個数: 16

約数和(自身を含む): 44958240

約数和(自身を除く): 23728062

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208139, 416278, 624417, 1248834, 3538363, 7076726, 10615089, 21230178]

約数ペア:

[(1, 21230178), (2, 10615089), (3, 7076726), (6, 3538363), (17, 1248834), (34, 624417), (51, 416278), (102, 208139)]