21095454

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{26839}}^1$

素因数の和:26975

約数の個数: 16

約数和(自身を含む): 42514560

約数和(自身を除く): 21419106

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 26839, 53678, 80517, 161034, 3515909, 7031818, 10547727, 21095454]

約数ペア:

[(1, 21095454), (2, 10547727), (3, 7031818), (6, 3515909), (131, 161034), (262, 80517), (393, 53678), (786, 26839)]