21897054

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7951}}^1$

素因数の和:7982

約数の個数: 40

約数和(自身を含む): 51958368

約数和(自身を除く): 30061314

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7951, 15902, 23853, 47706, 71559, 135167, 143118, 214677, 270334, 405501, 429354, 644031, 811002, 1216503, 1288062, 2433006, 3649509, 7299018, 10948527, 21897054]

約数ペア:

[(1, 21897054), (2, 10948527), (3, 7299018), (6, 3649509), (9, 2433006), (17, 1288062), (18, 1216503), (27, 811002), (34, 644031), (51, 429354), (54, 405501), (81, 270334), (102, 214677), (153, 143118), (162, 135167), (306, 71559), (459, 47706), (918, 23853), (1377, 15902), (2754, 7951)]