21446315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2617}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 28274400

約数和(自身を除く): 6828085

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2617, 8195, 13085, 28787, 143935, 389933, 1949665, 4289263, 21446315]

約数ペア:

[(1, 21446315), (5, 4289263), (11, 1949665), (55, 389933), (149, 143935), (745, 28787), (1639, 13085), (2617, 8195)]