21046192

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 42539936

約数和(自身を除く): 21493744

約数列:

[1, 2, 4, 8, 16, 37, 73, 74, 146, 148, 292, 296, 487, 584, 592, 974, 1168, 1948, 2701, 3896, 5402, 7792, 10804, 18019, 21608, 35551, 36038, 43216, 71102, 72076, 142204, 144152, 284408, 288304, 568816, 1315387, 2630774, 5261548, 10523096, 21046192]

約数ペア:

[(1, 21046192), (2, 10523096), (4, 5261548), (8, 2630774), (16, 1315387), (37, 568816), (73, 288304), (74, 284408), (146, 144152), (148, 142204), (292, 72076), (296, 71102), (487, 43216), (584, 36038), (592, 35551), (974, 21608), (1168, 18019), (1948, 10804), (2701, 7792), (3896, 5402)]