21266462

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28661}}^1$

素因数の和:28723

約数の個数: 16

約数和(自身を含む): 37145952

約数和(自身を除く): 15879490

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28661, 57322, 200627, 401254, 1519033, 3038066, 10633231, 21266462]

約数ペア:

[(1, 21266462), (2, 10633231), (7, 3038066), (14, 1519033), (53, 401254), (106, 200627), (371, 57322), (742, 28661)]