21071936158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{156671}}^1$

素因数の和:157432

約数の個数: 32

約数和(自身を含む): 38954926080

約数和(自身を除く): 17882989922

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 739, 1478, 5173, 9607, 10346, 19214, 67249, 134498, 156671, 313342, 1096697, 2036723, 2193394, 4073446, 14257061, 28514122, 115779869, 231559738, 810459083, 1505138297, 1620918166, 3010276594, 10535968079, 21071936158]

約数ペア:

[(1, 21071936158), (2, 10535968079), (7, 3010276594), (13, 1620918166), (14, 1505138297), (26, 810459083), (91, 231559738), (182, 115779869), (739, 28514122), (1478, 14257061), (5173, 4073446), (9607, 2193394), (10346, 2036723), (19214, 1096697), (67249, 313342), (134498, 156671)]