21993412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41341}}^1$

素因数の和:41371

約数の個数: 24

約数和(自身を含む): 46303040

約数和(自身を除く): 24309628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41341, 82682, 165364, 289387, 578774, 785479, 1157548, 1570958, 3141916, 5498353, 10996706, 21993412]

約数ペア:

[(1, 21993412), (2, 10996706), (4, 5498353), (7, 3141916), (14, 1570958), (19, 1157548), (28, 785479), (38, 578774), (76, 289387), (133, 165364), (266, 82682), (532, 41341)]