21526142

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{88951}}^1$

素因数の和:88975

約数の個数: 12

約数和(自身を含む): 35491848

約数和(自身を除く): 13965706

約数列:

[1, 2, 11, 22, 121, 242, 88951, 177902, 978461, 1956922, 10763071, 21526142]

約数ペア:

[(1, 21526142), (2, 10763071), (11, 1956922), (22, 978461), (121, 177902), (242, 88951)]