21495015355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{4967}}^1$

素因数の和:5328

約数の個数: 48

約数和(自身を含む): 29685906432

約数和(自身を除く): 8190891077

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 311, 605, 1265, 1555, 2783, 3421, 4967, 7153, 13915, 17105, 24835, 35765, 37631, 54637, 78683, 114241, 188155, 273185, 393415, 571205, 601007, 865513, 1256651, 1544737, 3005035, 4327565, 6283255, 7723685, 13823161, 16992107, 35528951, 69115805, 84960535, 177644755, 186913177, 390818461, 934565885, 1954092305, 4299003071, 21495015355]

約数ペア:

[(1, 21495015355), (5, 4299003071), (11, 1954092305), (23, 934565885), (55, 390818461), (115, 186913177), (121, 177644755), (253, 84960535), (311, 69115805), (605, 35528951), (1265, 16992107), (1555, 13823161), (2783, 7723685), (3421, 6283255), (4967, 4327565), (7153, 3005035), (13915, 1544737), (17105, 1256651), (24835, 865513), (35765, 601007), (37631, 571205), (54637, 393415), (78683, 273185), (114241, 188155)]