21966413854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{639637}}^1$

素因数の和:639880

約数の個数: 32

約数和(自身を含む): 41264326656

約数和(自身を除く): 19297912802

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 223, 446, 1561, 2453, 3122, 4906, 17171, 34342, 639637, 1279274, 4477459, 7036007, 8954918, 14072014, 49252049, 98504098, 142639051, 285278102, 998473357, 1569029561, 1996946714, 3138059122, 10983206927, 21966413854]

約数ペア:

[(1, 21966413854), (2, 10983206927), (7, 3138059122), (11, 1996946714), (14, 1569029561), (22, 998473357), (77, 285278102), (154, 142639051), (223, 98504098), (446, 49252049), (1561, 14072014), (2453, 8954918), (3122, 7036007), (4906, 4477459), (17171, 1279274), (34342, 639637)]