21334448

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43013}}^1$

素因数の和:43052

約数の個数: 20

約数和(自身を含む): 42669888

約数和(自身を除く): 21335440

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43013, 86026, 172052, 344104, 688208, 1333403, 2666806, 5333612, 10667224, 21334448]

約数ペア:

[(1, 21334448), (2, 10667224), (4, 5333612), (8, 2666806), (16, 1333403), (31, 688208), (62, 344104), (124, 172052), (248, 86026), (496, 43013)]