21923824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{967}}^1$

素因数の和:1097

約数の個数: 40

約数和(自身を含む): 46212320

約数和(自身を除く): 24288496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 967, 1417, 1744, 1934, 2834, 3868, 5668, 7736, 11336, 12571, 15472, 22672, 25142, 50284, 100568, 105403, 201136, 210806, 421612, 843224, 1370239, 1686448, 2740478, 5480956, 10961912, 21923824]

約数ペア:

[(1, 21923824), (2, 10961912), (4, 5480956), (8, 2740478), (13, 1686448), (16, 1370239), (26, 843224), (52, 421612), (104, 210806), (109, 201136), (208, 105403), (218, 100568), (436, 50284), (872, 25142), (967, 22672), (1417, 15472), (1744, 12571), (1934, 11336), (2834, 7736), (3868, 5668)]