21880453041

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{5501}}^1\times {\mathrm{25997}}^1$

素因数の和:31521

約数の個数: 24

約数和(自身を含む): 33471593064

約数和(自身を除く): 11591140023

約数列:

[1, 3, 9, 17, 51, 153, 5501, 16503, 25997, 49509, 77991, 93517, 233973, 280551, 441949, 841653, 1325847, 3977541, 143009497, 429028491, 1287085473, 2431161449, 7293484347, 21880453041]

約数ペア:

[(1, 21880453041), (3, 7293484347), (9, 2431161449), (17, 1287085473), (51, 429028491), (153, 143009497), (5501, 3977541), (16503, 1325847), (25997, 841653), (49509, 441949), (77991, 280551), (93517, 233973)]