21000508810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31344043}}^1$

素因数の和:31344117

約数の個数: 16

約数和(自身を含む): 38365109856

約数和(自身を除く): 17364601046

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31344043, 62688086, 156720215, 313440430, 2100050881, 4200101762, 10500254405, 21000508810]

約数ペア:

[(1, 21000508810), (2, 10500254405), (5, 4200101762), (10, 2100050881), (67, 313440430), (134, 156720215), (335, 62688086), (670, 31344043)]