21178902598

素因数分解:

$2^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{861001}}^1$

素因数の和:861268

約数の個数: 24

約数和(自身を含む): 37102298184

約数和(自身を除く): 15923395586

約数列:

[1, 2, 7, 14, 49, 98, 251, 502, 1757, 3514, 12299, 24598, 861001, 1722002, 6027007, 12054014, 42189049, 84378098, 216111251, 432222502, 1512778757, 3025557514, 10589451299, 21178902598]

約数ペア:

[(1, 21178902598), (2, 10589451299), (7, 3025557514), (14, 1512778757), (49, 432222502), (98, 216111251), (251, 84378098), (502, 42189049), (1757, 12054014), (3514, 6027007), (12299, 1722002), (24598, 861001)]