21000984057

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{58393}}^1$

素因数の和:58937

約数の個数: 24

約数和(自身を含む): 30744441000

約数和(自身を除く): 9743456943

約数列:

[1, 3, 9, 89, 267, 449, 801, 1347, 4041, 39961, 58393, 119883, 175179, 359649, 525537, 5196977, 15590931, 26218457, 46772793, 78655371, 235966113, 2333442673, 7000328019, 21000984057]

約数ペア:

[(1, 21000984057), (3, 7000328019), (9, 2333442673), (89, 235966113), (267, 78655371), (449, 46772793), (801, 26218457), (1347, 15590931), (4041, 5196977), (39961, 525537), (58393, 359649), (119883, 175179)]