21221406

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23117}}^1$

素因数の和:23145

約数の個数: 32

約数和(自身を含む): 49934880

約数和(自身を除く): 28713474

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 23117, 46234, 69351, 138702, 208053, 392989, 416106, 624159, 785978, 1178967, 1248318, 2357934, 3536901, 7073802, 10610703, 21221406]

約数ペア:

[(1, 21221406), (2, 10610703), (3, 7073802), (6, 3536901), (9, 2357934), (17, 1248318), (18, 1178967), (27, 785978), (34, 624159), (51, 416106), (54, 392989), (102, 208053), (153, 138702), (306, 69351), (459, 46234), (918, 23117)]