21187192

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15671}}^1$

素因数の和:15703

約数の個数: 24

約数和(自身を含む): 43019640

約数和(自身を除く): 21832448

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15671, 31342, 62684, 125368, 203723, 407446, 814892, 1629784, 2648399, 5296798, 10593596, 21187192]

約数ペア:

[(1, 21187192), (2, 10593596), (4, 5296798), (8, 2648399), (13, 1629784), (26, 814892), (52, 407446), (104, 203723), (169, 125368), (338, 62684), (676, 31342), (1352, 15671)]