21953728

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 56

約数和(自身を含む): 45711872

約数和(自身を除く): 23758144

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 73, 74, 127, 146, 148, 254, 292, 296, 508, 584, 592, 1016, 1168, 1184, 2032, 2336, 2368, 2701, 4064, 4672, 4699, 5402, 8128, 9271, 9398, 10804, 18542, 18796, 21608, 37084, 37592, 43216, 74168, 75184, 86432, 148336, 150368, 172864, 296672, 300736, 343027, 593344, 686054, 1372108, 2744216, 5488432, 10976864, 21953728]

約数ペア:

[(1, 21953728), (2, 10976864), (4, 5488432), (8, 2744216), (16, 1372108), (32, 686054), (37, 593344), (64, 343027), (73, 300736), (74, 296672), (127, 172864), (146, 150368), (148, 148336), (254, 86432), (292, 75184), (296, 74168), (508, 43216), (584, 37592), (592, 37084), (1016, 21608), (1168, 18796), (1184, 18542), (2032, 10804), (2336, 9398), (2368, 9271), (2701, 8128), (4064, 5402), (4672, 4699)]