21682768

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33053}}^1$

素因数の和:33102

約数の個数: 20

約数和(自身を含む): 43036308

約数和(自身を除く): 21353540

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33053, 66106, 132212, 264424, 528848, 1355173, 2710346, 5420692, 10841384, 21682768]

約数ペア:

[(1, 21682768), (2, 10841384), (4, 5420692), (8, 2710346), (16, 1355173), (41, 528848), (82, 264424), (164, 132212), (328, 66106), (656, 33053)]