21580656

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23663}}^1$

素因数の和:23693

約数の個数: 40

約数和(自身を含む): 58686720

約数和(自身を除く): 37106064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 23663, 47326, 70989, 94652, 141978, 189304, 283956, 378608, 449597, 567912, 899194, 1135824, 1348791, 1798388, 2697582, 3596776, 5395164, 7193552, 10790328, 21580656]

約数ペア:

[(1, 21580656), (2, 10790328), (3, 7193552), (4, 5395164), (6, 3596776), (8, 2697582), (12, 1798388), (16, 1348791), (19, 1135824), (24, 899194), (38, 567912), (48, 449597), (57, 378608), (76, 283956), (114, 189304), (152, 141978), (228, 94652), (304, 70989), (456, 47326), (912, 23663)]