21325096

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15773}}^1$

素因数の和:15805

約数の個数: 24

約数和(自身を含む): 43299630

約数和(自身を除く): 21974534

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15773, 31546, 63092, 126184, 205049, 410098, 820196, 1640392, 2665637, 5331274, 10662548, 21325096]

約数ペア:

[(1, 21325096), (2, 10662548), (4, 5331274), (8, 2665637), (13, 1640392), (26, 820196), (52, 410098), (104, 205049), (169, 126184), (338, 63092), (676, 31546), (1352, 15773)]