21113636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 39053280

約数和(自身を除く): 17939644

約数列:

[1, 2, 4, 19, 38, 76, 353, 706, 787, 1412, 1574, 3148, 6707, 13414, 14953, 26828, 29906, 59812, 277811, 555622, 1111244, 5278409, 10556818, 21113636]

約数ペア:

[(1, 21113636), (2, 10556818), (4, 5278409), (19, 1111244), (38, 555622), (76, 277811), (353, 59812), (706, 29906), (787, 26828), (1412, 14953), (1574, 13414), (3148, 6707)]