21432918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 48487680

約数和(自身を除く): 27054762

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 169, 299, 338, 507, 598, 897, 919, 1014, 1794, 1838, 2757, 3887, 5514, 7774, 11661, 11947, 21137, 23322, 23894, 35841, 42274, 63411, 71682, 126822, 155311, 274781, 310622, 465933, 549562, 824343, 931866, 1648686, 3572153, 7144306, 10716459, 21432918]

約数ペア:

[(1, 21432918), (2, 10716459), (3, 7144306), (6, 3572153), (13, 1648686), (23, 931866), (26, 824343), (39, 549562), (46, 465933), (69, 310622), (78, 274781), (138, 155311), (169, 126822), (299, 71682), (338, 63411), (507, 42274), (598, 35841), (897, 23894), (919, 23322), (1014, 21137), (1794, 11947), (1838, 11661), (2757, 7774), (3887, 5514)]