21154606

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15133394

約数列:

[1, 2, 11, 22, 41, 47, 82, 94, 451, 499, 517, 902, 998, 1034, 1927, 3854, 5489, 10978, 20459, 21197, 23453, 40918, 42394, 46906, 225049, 257983, 450098, 515966, 961573, 1923146, 10577303, 21154606]

約数ペア:

[(1, 21154606), (2, 10577303), (11, 1923146), (22, 961573), (41, 515966), (47, 450098), (82, 257983), (94, 225049), (451, 46906), (499, 42394), (517, 40918), (902, 23453), (998, 21197), (1034, 20459), (1927, 10978), (3854, 5489)]