21972304

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1429}}^1$

素因数の和:1499

約数の個数: 30

約数和(自身を含む): 44019690

約数和(自身を除く): 22047386

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1429, 1922, 2858, 3844, 5716, 7688, 11432, 15376, 22864, 44299, 88598, 177196, 354392, 708784, 1373269, 2746538, 5493076, 10986152, 21972304]

約数ペア:

[(1, 21972304), (2, 10986152), (4, 5493076), (8, 2746538), (16, 1373269), (31, 708784), (62, 354392), (124, 177196), (248, 88598), (496, 44299), (961, 22864), (1429, 15376), (1922, 11432), (2858, 7688), (3844, 5716)]