21016156652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{701}}^1\times {\mathrm{937}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 38902762080

約数和(自身を除く): 17886605428

約数列:

[1, 2, 4, 19, 38, 76, 421, 701, 842, 937, 1402, 1684, 1874, 2804, 3748, 7999, 13319, 15998, 17803, 26638, 31996, 35606, 53276, 71212, 295121, 394477, 590242, 656837, 788954, 1180484, 1313674, 1577908, 2627348, 5607299, 7495063, 11214598, 12479903, 14990126, 22429196, 24959806, 29980252, 49919612, 276528377, 553056754, 1106113508, 5254039163, 10508078326, 21016156652]

約数ペア:

[(1, 21016156652), (2, 10508078326), (4, 5254039163), (19, 1106113508), (38, 553056754), (76, 276528377), (421, 49919612), (701, 29980252), (842, 24959806), (937, 22429196), (1402, 14990126), (1684, 12479903), (1874, 11214598), (2804, 7495063), (3748, 5607299), (7999, 2627348), (13319, 1577908), (15998, 1313674), (17803, 1180484), (26638, 788954), (31996, 656837), (35606, 590242), (53276, 394477), (71212, 295121)]