21410735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{761}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 27322272

約数和(自身を除く): 5911537

約数列:

[1, 5, 17, 85, 331, 761, 1655, 3805, 5627, 12937, 28135, 64685, 251891, 1259455, 4282147, 21410735]

約数ペア:

[(1, 21410735), (5, 4282147), (17, 1259455), (85, 251891), (331, 64685), (761, 28135), (1655, 12937), (3805, 5627)]