21111858

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68993}}^1$

素因数の和:69018

約数の個数: 24

約数和(自身を含む): 48433788

約数和(自身を除く): 27321930

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68993, 137986, 206979, 413958, 620937, 1172881, 1241874, 2345762, 3518643, 7037286, 10555929, 21111858]

約数ペア:

[(1, 21111858), (2, 10555929), (3, 7037286), (6, 3518643), (9, 2345762), (17, 1241874), (18, 1172881), (34, 620937), (51, 413958), (102, 206979), (153, 137986), (306, 68993)]