21521099

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 23821056

約数和(自身を除く): 2299957

約数列:

[1, 17, 31, 97, 421, 527, 1649, 3007, 7157, 13051, 40837, 51119, 221867, 694229, 1265947, 21521099]

約数ペア:

[(1, 21521099), (17, 1265947), (31, 694229), (97, 221867), (421, 51119), (527, 40837), (1649, 13051), (3007, 7157)]