21574238978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1\times {\mathrm{242729}}^1$

素因数の和:245089

約数の個数: 16

約数和(自身を含む): 34079292000

約数和(自身を除く): 12505053022

約数列:

[1, 2, 19, 38, 2339, 4678, 44441, 88882, 242729, 485458, 4611851, 9223702, 567743131, 1135486262, 10787119489, 21574238978]

約数ペア:

[(1, 21574238978), (2, 10787119489), (19, 1135486262), (38, 567743131), (2339, 9223702), (4678, 4611851), (44441, 485458), (88882, 242729)]