21340228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 47980800

約数和(自身を除く): 26640572

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2549, 4186, 5098, 8372, 10196, 17843, 33137, 35686, 58627, 66274, 71372, 117254, 132548, 231959, 234508, 410389, 463918, 762151, 820778, 927836, 1524302, 1641556, 3048604, 5335057, 10670114, 21340228]

約数ペア:

[(1, 21340228), (2, 10670114), (4, 5335057), (7, 3048604), (13, 1641556), (14, 1524302), (23, 927836), (26, 820778), (28, 762151), (46, 463918), (52, 410389), (91, 234508), (92, 231959), (161, 132548), (182, 117254), (299, 71372), (322, 66274), (364, 58627), (598, 35686), (644, 33137), (1196, 17843), (2093, 10196), (2549, 8372), (4186, 5098)]