21157252

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 38635520

約数和(自身を除く): 17478268

約数列:

[1, 2, 4, 31, 62, 97, 124, 194, 388, 1759, 3007, 3518, 6014, 7036, 12028, 54529, 109058, 170623, 218116, 341246, 682492, 5289313, 10578626, 21157252]

約数ペア:

[(1, 21157252), (2, 10578626), (4, 5289313), (31, 682492), (62, 341246), (97, 218116), (124, 170623), (194, 109058), (388, 54529), (1759, 12028), (3007, 7036), (3518, 6014)]