21504207992

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5830859}}^1$

素因数の和:5831326

約数の個数: 16

約数和(自身を含む): 40407859800

約数和(自身を除く): 18903651808

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5830859, 11661718, 23323436, 46646872, 2688025999, 5376051998, 10752103996, 21504207992]

約数ペア:

[(1, 21504207992), (2, 10752103996), (4, 5376051998), (8, 2688025999), (461, 46646872), (922, 23323436), (1844, 11661718), (3688, 5830859)]