21438726

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1039}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 45427200

約数和(自身を除く): 23988474

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 181, 362, 543, 1039, 1086, 2078, 3117, 3439, 6234, 6878, 10317, 19741, 20634, 39482, 59223, 118446, 188059, 376118, 564177, 1128354, 3573121, 7146242, 10719363, 21438726]

約数ペア:

[(1, 21438726), (2, 10719363), (3, 7146242), (6, 3573121), (19, 1128354), (38, 564177), (57, 376118), (114, 188059), (181, 118446), (362, 59223), (543, 39482), (1039, 20634), (1086, 19741), (2078, 10317), (3117, 6878), (3439, 6234)]