21421094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1801}}^1$

素因数の和:2135

約数の個数: 16

約数和(自身を含む): 33949680

約数和(自身を除く): 12528586

約数列:

[1, 2, 19, 38, 313, 626, 1801, 3602, 5947, 11894, 34219, 68438, 563713, 1127426, 10710547, 21421094]

約数ペア:

[(1, 21421094), (2, 10710547), (19, 1127426), (38, 563713), (313, 68438), (626, 34219), (1801, 11894), (3602, 5947)]