21980948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26293}}^1$

素因数の和:26327

約数の個数: 24

約数和(自身を含む): 44173920

約数和(自身を除く): 22192972

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 26293, 52586, 105172, 289223, 499567, 578446, 999134, 1156892, 1998268, 5495237, 10990474, 21980948]

約数ペア:

[(1, 21980948), (2, 10990474), (4, 5495237), (11, 1998268), (19, 1156892), (22, 999134), (38, 578446), (44, 499567), (76, 289223), (209, 105172), (418, 52586), (836, 26293)]