21812763

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{45161}}^1$

素因数の和:45194

約数の個数: 16

約数和(自身を含む): 34684416

約数和(自身を除く): 12871653

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 45161, 135483, 316127, 948381, 1038703, 3116109, 7270921, 21812763]

約数ペア:

[(1, 21812763), (3, 7270921), (7, 3116109), (21, 1038703), (23, 948381), (69, 316127), (161, 135483), (483, 45161)]