21542384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32839}}^1$

素因数の和:32888

約数の個数: 20

約数和(自身を含む): 42757680

約数和(自身を除く): 21215296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32839, 65678, 131356, 262712, 525424, 1346399, 2692798, 5385596, 10771192, 21542384]

約数ペア:

[(1, 21542384), (2, 10771192), (4, 5385596), (8, 2692798), (16, 1346399), (41, 525424), (82, 262712), (164, 131356), (328, 65678), (656, 32839)]