21954667

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 27534816

約数和(自身を除く): 5580149

約数列:

[1, 7, 17, 53, 59, 119, 371, 413, 901, 1003, 3127, 3481, 6307, 7021, 21889, 24367, 53159, 59177, 184493, 372113, 414239, 1291451, 3136381, 21954667]

約数ペア:

[(1, 21954667), (7, 3136381), (17, 1291451), (53, 414239), (59, 372113), (119, 184493), (371, 59177), (413, 53159), (901, 24367), (1003, 21889), (3127, 7021), (3481, 6307)]