21631208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3001}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 43769160

約数和(自身を除く): 22137952

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3001, 3604, 6002, 7208, 12004, 24008, 51017, 102034, 159053, 204068, 318106, 408136, 636212, 1272424, 2703901, 5407802, 10815604, 21631208]

約数ペア:

[(1, 21631208), (2, 10815604), (4, 5407802), (8, 2703901), (17, 1272424), (34, 636212), (53, 408136), (68, 318106), (106, 204068), (136, 159053), (212, 102034), (424, 51017), (901, 24008), (1802, 12004), (3001, 7208), (3604, 6002)]