21498557

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 2736643

約数列:

[1, 17, 19, 101, 323, 659, 1717, 1919, 11203, 12521, 32623, 66559, 212857, 1131503, 1264621, 21498557]

約数ペア:

[(1, 21498557), (17, 1264621), (19, 1131503), (101, 212857), (323, 66559), (659, 32623), (1717, 12521), (1919, 11203)]