21382053

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 35837952

約数和(自身を除く): 14455899

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 613, 1057, 1661, 1839, 3171, 4291, 4983, 6743, 11627, 12873, 20229, 34881, 47201, 92563, 141603, 277689, 647941, 1018193, 1943823, 3054579, 7127351, 21382053]

約数ペア:

[(1, 21382053), (3, 7127351), (7, 3054579), (11, 1943823), (21, 1018193), (33, 647941), (77, 277689), (151, 141603), (231, 92563), (453, 47201), (613, 34881), (1057, 20229), (1661, 12873), (1839, 11627), (3171, 6743), (4291, 4983)]