21042048

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1535

約数の個数: 64

約数和(自身を含む): 57442320

約数和(自身を除く): 36400272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1481, 1776, 2368, 2962, 3552, 4443, 4736, 5924, 7104, 8886, 11848, 14208, 17772, 23696, 35544, 47392, 54797, 71088, 94784, 109594, 142176, 164391, 189568, 219188, 284352, 328782, 438376, 568704, 657564, 876752, 1315128, 1753504, 2630256, 3507008, 5260512, 7014016, 10521024, 21042048]

約数ペア:

[(1, 21042048), (2, 10521024), (3, 7014016), (4, 5260512), (6, 3507008), (8, 2630256), (12, 1753504), (16, 1315128), (24, 876752), (32, 657564), (37, 568704), (48, 438376), (64, 328782), (74, 284352), (96, 219188), (111, 189568), (128, 164391), (148, 142176), (192, 109594), (222, 94784), (296, 71088), (384, 54797), (444, 47392), (592, 35544), (888, 23696), (1184, 17772), (1481, 14208), (1776, 11848), (2368, 8886), (2962, 7104), (3552, 5924), (4443, 4736)]