21461751

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10549449

約数列:

[1, 3, 9, 47, 113, 141, 339, 423, 449, 1017, 1347, 4041, 5311, 15933, 21103, 47799, 50737, 63309, 152211, 189927, 456633, 2384639, 7153917, 21461751]

約数ペア:

[(1, 21461751), (3, 7153917), (9, 2384639), (47, 456633), (113, 189927), (141, 152211), (339, 63309), (423, 50737), (449, 47799), (1017, 21103), (1347, 15933), (4041, 5311)]