21327956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21587}}^1$

素因数の和:21623

約数の個数: 24

約数和(自身を含む): 42312480

約数和(自身を除く): 20984524

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21587, 43174, 86348, 280631, 410153, 561262, 820306, 1122524, 1640612, 5331989, 10663978, 21327956]

約数ペア:

[(1, 21327956), (2, 10663978), (4, 5331989), (13, 1640612), (19, 1122524), (26, 820306), (38, 561262), (52, 410153), (76, 280631), (247, 86348), (494, 43174), (988, 21587)]