21040774594

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2713}}^1\times {\mathrm{5711}}^1$

素因数の和:8530

約数の個数: 32

約数和(自身を含む): 36461569536

約数和(自身を除く): 15420794942

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 2713, 5426, 5711, 11422, 18991, 37982, 39977, 79954, 263161, 526322, 553967, 1107934, 1842127, 3684254, 3877769, 7755538, 15493943, 30987886, 108457601, 216915202, 1502912471, 3005824942, 10520387297, 21040774594]

約数ペア:

[(1, 21040774594), (2, 10520387297), (7, 3005824942), (14, 1502912471), (97, 216915202), (194, 108457601), (679, 30987886), (1358, 15493943), (2713, 7755538), (5426, 3877769), (5711, 3684254), (11422, 1842127), (18991, 1107934), (37982, 553967), (39977, 526322), (79954, 263161)]