21387554376

素因数分解:

$2^3\times 3^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1\times {\mathrm{11551}}^1$

素因数の和:12170

約数の個数: 64

約数和(自身を含む): 53897011200

約数和(自身を除く): 32509456824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 179, 358, 431, 537, 716, 862, 1074, 1293, 1432, 1724, 2148, 2586, 3448, 4296, 5172, 10344, 11551, 23102, 34653, 46204, 69306, 77149, 92408, 138612, 154298, 231447, 277224, 308596, 462894, 617192, 925788, 1851576, 2067629, 4135258, 4978481, 6202887, 8270516, 9956962, 12405774, 14935443, 16541032, 19913924, 24811548, 29870886, 39827848, 49623096, 59741772, 119483544, 891148099, 1782296198, 2673444297, 3564592396, 5346888594, 7129184792, 10693777188, 21387554376]

約数ペア:

[(1, 21387554376), (2, 10693777188), (3, 7129184792), (4, 5346888594), (6, 3564592396), (8, 2673444297), (12, 1782296198), (24, 891148099), (179, 119483544), (358, 59741772), (431, 49623096), (537, 39827848), (716, 29870886), (862, 24811548), (1074, 19913924), (1293, 16541032), (1432, 14935443), (1724, 12405774), (2148, 9956962), (2586, 8270516), (3448, 6202887), (4296, 4978481), (5172, 4135258), (10344, 2067629), (11551, 1851576), (23102, 925788), (34653, 617192), (46204, 462894), (69306, 308596), (77149, 277224), (92408, 231447), (138612, 154298)]