21254528

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{3533}}^1$

素因数の和:3594

約数の個数: 32

約数和(自身を含む): 43256160

約数和(自身を除く): 22001632

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 376, 752, 1504, 3008, 3533, 6016, 7066, 14132, 28264, 56528, 113056, 166051, 226112, 332102, 452224, 664204, 1328408, 2656816, 5313632, 10627264, 21254528]

約数ペア:

[(1, 21254528), (2, 10627264), (4, 5313632), (8, 2656816), (16, 1328408), (32, 664204), (47, 452224), (64, 332102), (94, 226112), (128, 166051), (188, 113056), (376, 56528), (752, 28264), (1504, 14132), (3008, 7066), (3533, 6016)]