21020220670

素因数分解:

$2^1\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{933817}}^1$

素因数の和:936075

約数の個数: 16

約数和(自身を含む): 37853246448

約数和(自身を除く): 16833025778

約数列:

[1, 2, 5, 10, 2251, 4502, 11255, 22510, 933817, 1867634, 4669085, 9338170, 2102022067, 4204044134, 10510110335, 21020220670]

約数ペア:

[(1, 21020220670), (2, 10510110335), (5, 4204044134), (10, 2102022067), (2251, 9338170), (4502, 4669085), (11255, 1867634), (22510, 933817)]