21182854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2053}}^1$

素因数の和:2140

約数の個数: 32

約数和(自身を含む): 40225536

約数和(自身を除く): 19042682

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 2053, 4106, 5159, 10318, 14371, 22583, 28742, 45166, 137551, 158081, 275102, 316162, 962857, 1513061, 1925714, 3026122, 10591427, 21182854]

約数ペア:

[(1, 21182854), (2, 10591427), (7, 3026122), (11, 1925714), (14, 1513061), (22, 962857), (67, 316162), (77, 275102), (134, 158081), (154, 137551), (469, 45166), (737, 28742), (938, 22583), (1474, 14371), (2053, 10318), (4106, 5159)]