21875097601

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{3541}}^1\times {\mathrm{6949}}^1$

素因数の和:10624

約数の個数: 16

約数和(自身を含む): 25207705600

約数和(自身を除く): 3332607999

約数列:

[1, 7, 127, 889, 3541, 6949, 24787, 48643, 449707, 882523, 3147949, 6177661, 24606409, 172244863, 3125013943, 21875097601]

約数ペア:

[(1, 21875097601), (7, 3125013943), (127, 172244863), (889, 24606409), (3541, 6177661), (6949, 3147949), (24787, 882523), (48643, 449707)]