21997568

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 23997472

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 467, 512, 736, 934, 1024, 1472, 1868, 2048, 2944, 3736, 5888, 7472, 10741, 11776, 14944, 21482, 23552, 29888, 42964, 47104, 59776, 85928, 119552, 171856, 239104, 343712, 478208, 687424, 956416, 1374848, 2749696, 5499392, 10998784, 21997568]

約数ペア:

[(1, 21997568), (2, 10998784), (4, 5499392), (8, 2749696), (16, 1374848), (23, 956416), (32, 687424), (46, 478208), (64, 343712), (92, 239104), (128, 171856), (184, 119552), (256, 85928), (368, 59776), (467, 47104), (512, 42964), (736, 29888), (934, 23552), (1024, 21482), (1472, 14944), (1868, 11776), (2048, 10741), (2944, 7472), (3736, 5888)]