21003026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14249}}^1$

素因数の和:14329

約数の個数: 16

約数和(自身を含む): 34884000

約数和(自身を除く): 13880974

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14249, 28498, 156739, 313478, 954683, 1909366, 10501513, 21003026]

約数ペア:

[(1, 21003026), (2, 10501513), (11, 1909366), (22, 954683), (67, 313478), (134, 156739), (737, 28498), (1474, 14249)]