21420992

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1699}}^1$

素因数の和:1908

約数の個数: 28

約数和(自身を含む): 42748200

約数和(自身を除く): 21327208

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 1699, 3152, 3398, 6304, 6796, 12608, 13592, 27184, 54368, 108736, 334703, 669406, 1338812, 2677624, 5355248, 10710496, 21420992]

約数ペア:

[(1, 21420992), (2, 10710496), (4, 5355248), (8, 2677624), (16, 1338812), (32, 669406), (64, 334703), (197, 108736), (394, 54368), (788, 27184), (1576, 13592), (1699, 12608), (3152, 6796), (3398, 6304)]