21503336

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2797}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 41676210

約数和(自身を除く): 20172874

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2797, 3844, 5594, 7688, 11188, 22376, 86707, 173414, 346828, 693656, 2687917, 5375834, 10751668, 21503336]

約数ペア:

[(1, 21503336), (2, 10751668), (4, 5375834), (8, 2687917), (31, 693656), (62, 346828), (124, 173414), (248, 86707), (961, 22376), (1922, 11188), (2797, 7688), (3844, 5594)]