21274913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 23783424

約数和(自身を除く): 2508511

約数列:

[1, 11, 97, 127, 157, 1067, 1397, 1727, 12319, 15229, 19939, 135509, 167519, 219329, 1934083, 21274913]

約数ペア:

[(1, 21274913), (11, 1934083), (97, 219329), (127, 167519), (157, 135509), (1067, 19939), (1397, 15229), (1727, 12319)]