21028384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50549}}^1$

素因数の和:50572

約数の個数: 24

約数和(自身を含む): 44585100

約数和(自身を除く): 23556716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50549, 101098, 202196, 404392, 657137, 808784, 1314274, 1617568, 2628548, 5257096, 10514192, 21028384]

約数ペア:

[(1, 21028384), (2, 10514192), (4, 5257096), (8, 2628548), (13, 1617568), (16, 1314274), (26, 808784), (32, 657137), (52, 404392), (104, 202196), (208, 101098), (416, 50549)]