21103659531

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{3329}}^1\times {\mathrm{10513}}^1$

素因数の和:13915

約数の個数: 24

約数和(自身を含む): 30950272080

約数和(自身を除く): 9846612549

約数列:

[1, 3, 9, 67, 201, 603, 3329, 9987, 10513, 29961, 31539, 94617, 223043, 669129, 704371, 2007387, 2113113, 6339339, 34997777, 104993331, 314979993, 2344851059, 7034553177, 21103659531]

約数ペア:

[(1, 21103659531), (3, 7034553177), (9, 2344851059), (67, 314979993), (201, 104993331), (603, 34997777), (3329, 6339339), (9987, 2113113), (10513, 2007387), (29961, 704371), (31539, 669129), (94617, 223043)]