21354239612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1569703}}^1$

素因数の和:1569905

約数の個数: 24

約数和(自身を含む): 39556540800

約数和(自身を除く): 18202301188

約数列:

[1, 2, 4, 19, 38, 76, 179, 358, 716, 3401, 6802, 13604, 1569703, 3139406, 6278812, 29824357, 59648714, 119297428, 280976837, 561953674, 1123907348, 5338559903, 10677119806, 21354239612]

約数ペア:

[(1, 21354239612), (2, 10677119806), (4, 5338559903), (19, 1123907348), (38, 561953674), (76, 280976837), (179, 119297428), (358, 59648714), (716, 29824357), (3401, 6278812), (6802, 3139406), (13604, 1569703)]