21063172532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{785119}}^1$

素因数の和:785495

約数の個数: 24

約数和(自身を含む): 38910547200

約数和(自身を除く): 17847374668

約数列:

[1, 2, 4, 19, 38, 76, 353, 706, 1412, 6707, 13414, 26828, 785119, 1570238, 3140476, 14917261, 29834522, 59669044, 277147007, 554294014, 1108588028, 5265793133, 10531586266, 21063172532]

約数ペア:

[(1, 21063172532), (2, 10531586266), (4, 5265793133), (19, 1108588028), (38, 554294014), (76, 277147007), (353, 59669044), (706, 29834522), (1412, 14917261), (6707, 3140476), (13414, 1570238), (26828, 785119)]