21192964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13147}}^1$

素因数の和:13195

約数の個数: 24

約数和(自身を含む): 41232128

約数和(自身を除く): 20039164

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13147, 26294, 52588, 170911, 341822, 407557, 683644, 815114, 1630228, 5298241, 10596482, 21192964]

約数ペア:

[(1, 21192964), (2, 10596482), (4, 5298241), (13, 1630228), (26, 815114), (31, 683644), (52, 407557), (62, 341822), (124, 170911), (403, 52588), (806, 26294), (1612, 13147)]