21511334

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2112

約数の個数: 24

約数和(自身を含む): 36084672

約数和(自身を除く): 14573338

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2053, 4106, 5239, 10478, 26689, 53378, 63643, 127286, 346957, 693914, 827359, 1654718, 10755667, 21511334]

約数ペア:

[(1, 21511334), (2, 10755667), (13, 1654718), (26, 827359), (31, 693914), (62, 346957), (169, 127286), (338, 63643), (403, 53378), (806, 26689), (2053, 10478), (4106, 5239)]