21014778727964

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9500352047}}^1$

素因数の和:9500352137

約数の個数: 24

約数和(自身を含む): 42561577175040

約数和(自身を除く): 21546798447076

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9500352047, 19000704094, 38001408188, 66502464329, 133004928658, 266009857316, 750527811713, 1501055623426, 3002111246852, 5253694681991, 10507389363982, 21014778727964]

約数ペア:

[(1, 21014778727964), (2, 10507389363982), (4, 5253694681991), (7, 3002111246852), (14, 1501055623426), (28, 750527811713), (79, 266009857316), (158, 133004928658), (316, 66502464329), (553, 38001408188), (1106, 19000704094), (2212, 9500352047)]