21261338

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66029}}^1$

素因数の和:66061

約数の個数: 16

約数和(自身を含む): 38033280

約数和(自身を除く): 16771942

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66029, 132058, 462203, 924406, 1518667, 3037334, 10630669, 21261338]

約数ペア:

[(1, 21261338), (2, 10630669), (7, 3037334), (14, 1518667), (23, 924406), (46, 462203), (161, 132058), (322, 66029)]