21578336

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51871}}^1$

素因数の和:51894

約数の個数: 24

約数和(自身を含む): 45751104

約数和(自身を除く): 24172768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51871, 103742, 207484, 414968, 674323, 829936, 1348646, 1659872, 2697292, 5394584, 10789168, 21578336]

約数ペア:

[(1, 21578336), (2, 10789168), (4, 5394584), (8, 2697292), (13, 1659872), (16, 1348646), (26, 829936), (32, 674323), (52, 414968), (104, 207484), (208, 103742), (416, 51871)]