21063242

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11112118

約数列:

[1, 2, 83, 166, 223, 446, 569, 1138, 18509, 37018, 47227, 94454, 126887, 253774, 10531621, 21063242]

約数ペア:

[(1, 21063242), (2, 10531621), (83, 253774), (166, 126887), (223, 94454), (446, 47227), (569, 37018), (1138, 18509)]