21144783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13633}}^1$

素因数の和:13694

約数の個数: 16

約数和(自身を含む): 31412736

約数和(自身を除く): 10267953

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13633, 40899, 149963, 449889, 640751, 1922253, 7048261, 21144783]

約数ペア:

[(1, 21144783), (3, 7048261), (11, 1922253), (33, 640751), (47, 449889), (141, 149963), (517, 40899), (1551, 13633)]