21008845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29383}}^1$

素因数の和:29412

約数の個数: 16

約数和(自身を含む): 29619072

約数和(自身を除く): 8610227

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29383, 146915, 323213, 381979, 1616065, 1909895, 4201769, 21008845]

約数ペア:

[(1, 21008845), (5, 4201769), (11, 1909895), (13, 1616065), (55, 381979), (65, 323213), (143, 146915), (715, 29383)]