21184572367

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{43651}}^1$

素因数の和:43807

約数の個数: 32

約数和(自身を含む): 26400729600

約数和(自身を除く): 5216157233

約数列:

[1, 7, 19, 41, 89, 133, 287, 623, 779, 1691, 3649, 5453, 11837, 25543, 43651, 69331, 305557, 485317, 829369, 1789691, 3884939, 5805583, 12527837, 27194573, 34004129, 73813841, 159282499, 238028903, 516696887, 1114977493, 3026367481, 21184572367]

約数ペア:

[(1, 21184572367), (7, 3026367481), (19, 1114977493), (41, 516696887), (89, 238028903), (133, 159282499), (287, 73813841), (623, 34004129), (779, 27194573), (1691, 12527837), (3649, 5805583), (5453, 3884939), (11837, 1789691), (25543, 829369), (43651, 485317), (69331, 305557)]