21081448

素因数分解:

$2^3\times {\mathrm{449}}^1\times {\mathrm{5869}}^1$

素因数の和:6324

約数の個数: 16

約数和(自身を含む): 39622500

約数和(自身を除く): 18541052

約数列:

[1, 2, 4, 8, 449, 898, 1796, 3592, 5869, 11738, 23476, 46952, 2635181, 5270362, 10540724, 21081448]

約数ペア:

[(1, 21081448), (2, 10540724), (4, 5270362), (8, 2635181), (449, 46952), (898, 23476), (1796, 11738), (3592, 5869)]