21331906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 35983872

約数和(自身を除く): 14651966

約数列:

[1, 2, 17, 31, 34, 37, 62, 74, 527, 547, 629, 1054, 1094, 1147, 1258, 2294, 9299, 16957, 18598, 19499, 20239, 33914, 38998, 40478, 288269, 344063, 576538, 627409, 688126, 1254818, 10665953, 21331906]

約数ペア:

[(1, 21331906), (2, 10665953), (17, 1254818), (31, 688126), (34, 627409), (37, 576538), (62, 344063), (74, 288269), (527, 40478), (547, 38998), (629, 33914), (1054, 20239), (1094, 19499), (1147, 18598), (1258, 16957), (2294, 9299)]