21976208

素因数分解:

$2^4\times {\mathrm{683}}^1\times {\mathrm{2011}}^1$

素因数の和:2702

約数の個数: 20

約数和(自身を含む): 42662448

約数和(自身を除く): 20686240

約数列:

[1, 2, 4, 8, 16, 683, 1366, 2011, 2732, 4022, 5464, 8044, 10928, 16088, 32176, 1373513, 2747026, 5494052, 10988104, 21976208]

約数ペア:

[(1, 21976208), (2, 10988104), (4, 5494052), (8, 2747026), (16, 1373513), (683, 32176), (1366, 16088), (2011, 10928), (2732, 8044), (4022, 5464)]