21068032

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 45916416

約数和(自身を除く): 24848384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 103, 128, 136, 188, 206, 256, 272, 376, 412, 544, 752, 799, 824, 1088, 1504, 1598, 1648, 1751, 2176, 3008, 3196, 3296, 3502, 4352, 4841, 6016, 6392, 6592, 7004, 9682, 12032, 12784, 13184, 14008, 19364, 25568, 26368, 28016, 38728, 51136, 56032, 77456, 82297, 102272, 112064, 154912, 164594, 204544, 224128, 309824, 329188, 448256, 619648, 658376, 1239296, 1316752, 2633504, 5267008, 10534016, 21068032]

約数ペア:

[(1, 21068032), (2, 10534016), (4, 5267008), (8, 2633504), (16, 1316752), (17, 1239296), (32, 658376), (34, 619648), (47, 448256), (64, 329188), (68, 309824), (94, 224128), (103, 204544), (128, 164594), (136, 154912), (188, 112064), (206, 102272), (256, 82297), (272, 77456), (376, 56032), (412, 51136), (544, 38728), (752, 28016), (799, 26368), (824, 25568), (1088, 19364), (1504, 14008), (1598, 13184), (1648, 12784), (1751, 12032), (2176, 9682), (3008, 7004), (3196, 6592), (3296, 6392), (3502, 6016), (4352, 4841)]