21459845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 28226880

約数和(自身を除く): 6767035

約数列:

[1, 5, 11, 55, 241, 1205, 1619, 2651, 8095, 13255, 17809, 89045, 390179, 1950895, 4291969, 21459845]

約数ペア:

[(1, 21459845), (5, 4291969), (11, 1950895), (55, 390179), (241, 89045), (1205, 17809), (1619, 13255), (2651, 8095)]