21783136

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16603}}^1$

素因数の和:16654

約数の個数: 24

約数和(自身を含む): 43934184

約数和(自身を除く): 22151048

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16603, 33206, 66412, 132824, 265648, 531296, 680723, 1361446, 2722892, 5445784, 10891568, 21783136]

約数ペア:

[(1, 21783136), (2, 10891568), (4, 5445784), (8, 2722892), (16, 1361446), (32, 680723), (41, 531296), (82, 265648), (164, 132824), (328, 66412), (656, 33206), (1312, 16603)]