21312927

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5419}}^1$

素因数の和:5467

約数の個数: 24

約数和(自身を含む): 33820800

約数和(自身を除く): 12507873

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5419, 16257, 48771, 102961, 124637, 308883, 373911, 926649, 1121733, 2368103, 7104309, 21312927]

約数ペア:

[(1, 21312927), (3, 7104309), (9, 2368103), (19, 1121733), (23, 926649), (57, 373911), (69, 308883), (171, 124637), (207, 102961), (437, 48771), (1311, 16257), (3933, 5419)]