21189786

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{207743}}^1$

素因数の和:207765

約数の個数: 16

約数和(自身を含む): 44872704

約数和(自身を除く): 23682918

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 207743, 415486, 623229, 1246458, 3531631, 7063262, 10594893, 21189786]

約数ペア:

[(1, 21189786), (2, 10594893), (3, 7063262), (6, 3531631), (17, 1246458), (34, 623229), (51, 415486), (102, 207743)]