21413754

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 47802240

約数和(自身を除く): 26388486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 1543, 2313, 3086, 4626, 4629, 6939, 9258, 13878, 13887, 27774, 41661, 83322, 396551, 793102, 1189653, 2379306, 3568959, 7137918, 10706877, 21413754]

約数ペア:

[(1, 21413754), (2, 10706877), (3, 7137918), (6, 3568959), (9, 2379306), (18, 1189653), (27, 793102), (54, 396551), (257, 83322), (514, 41661), (771, 27774), (1542, 13887), (1543, 13878), (2313, 9258), (3086, 6939), (4626, 4629)]