21544588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1307}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 40762512

約数和(自身を除く): 19217924

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 1307, 2614, 4121, 5228, 8242, 16484, 16991, 33982, 67964, 414319, 828638, 1657276, 5386147, 10772294, 21544588]

約数ペア:

[(1, 21544588), (2, 10772294), (4, 5386147), (13, 1657276), (26, 828638), (52, 414319), (317, 67964), (634, 33982), (1268, 16991), (1307, 16484), (2614, 8242), (4121, 5228)]