21604744

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10427}}^1$

素因数の和:10477

約数の個数: 32

約数和(自身を含む): 47551680

約数和(自身を除く): 25946936

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10427, 20854, 41708, 72989, 83416, 145978, 291956, 385799, 583912, 771598, 1543196, 2700593, 3086392, 5401186, 10802372, 21604744]

約数ペア:

[(1, 21604744), (2, 10802372), (4, 5401186), (7, 3086392), (8, 2700593), (14, 1543196), (28, 771598), (37, 583912), (56, 385799), (74, 291956), (148, 145978), (259, 83416), (296, 72989), (518, 41708), (1036, 20854), (2072, 10427)]