21433808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 45610176

約数和(自身を除く): 24176368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 631, 772, 1262, 1544, 2123, 2524, 3088, 4246, 5048, 6941, 8492, 10096, 13882, 16984, 27764, 33968, 55528, 111056, 121783, 243566, 487132, 974264, 1339613, 1948528, 2679226, 5358452, 10716904, 21433808]

約数ペア:

[(1, 21433808), (2, 10716904), (4, 5358452), (8, 2679226), (11, 1948528), (16, 1339613), (22, 974264), (44, 487132), (88, 243566), (176, 121783), (193, 111056), (386, 55528), (631, 33968), (772, 27764), (1262, 16984), (1544, 13882), (2123, 10096), (2524, 8492), (3088, 6941), (4246, 5048)]