21000694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 37439136

約数和(自身を除く): 16438442

約数列:

[1, 2, 11, 13, 22, 26, 97, 143, 194, 286, 757, 1067, 1261, 1514, 2134, 2522, 8327, 9841, 13871, 16654, 19682, 27742, 73429, 108251, 146858, 216502, 807719, 954577, 1615438, 1909154, 10500347, 21000694]

約数ペア:

[(1, 21000694), (2, 10500347), (11, 1909154), (13, 1615438), (22, 954577), (26, 807719), (97, 216502), (143, 146858), (194, 108251), (286, 73429), (757, 27742), (1067, 19682), (1261, 16654), (1514, 13871), (2134, 9841), (2522, 8327)]