21173416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240607}}^1$

素因数の和:240624

約数の個数: 16

約数和(自身を含む): 43309440

約数和(自身を除く): 22136024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240607, 481214, 962428, 1924856, 2646677, 5293354, 10586708, 21173416]

約数ペア:

[(1, 21173416), (2, 10586708), (4, 5293354), (8, 2646677), (11, 1924856), (22, 962428), (44, 481214), (88, 240607)]