21135686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 37836288

約数和(自身を除く): 16700602

約数列:

[1, 2, 11, 13, 22, 26, 67, 134, 143, 286, 737, 871, 1103, 1474, 1742, 2206, 9581, 12133, 14339, 19162, 24266, 28678, 73901, 147802, 157729, 315458, 812911, 960713, 1625822, 1921426, 10567843, 21135686]

約数ペア:

[(1, 21135686), (2, 10567843), (11, 1921426), (13, 1625822), (22, 960713), (26, 812911), (67, 315458), (134, 157729), (143, 147802), (286, 73901), (737, 28678), (871, 24266), (1103, 19162), (1474, 14339), (1742, 12133), (2206, 9581)]