21067846513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{152753}}^1$

素因数の和:152857

約数の個数: 32

約数和(自身を含む): 27275754240

約数和(自身を除く): 6207907727

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 1037, 1159, 2261, 7259, 8113, 19703, 137921, 152753, 1069271, 2596801, 2902307, 9317933, 18177607, 20316149, 49339219, 65225531, 158404861, 177040727, 345374533, 1108834027, 1239285089, 3009692359, 21067846513]

約数ペア:

[(1, 21067846513), (7, 3009692359), (17, 1239285089), (19, 1108834027), (61, 345374533), (119, 177040727), (133, 158404861), (323, 65225531), (427, 49339219), (1037, 20316149), (1159, 18177607), (2261, 9317933), (7259, 2902307), (8113, 2596801), (19703, 1069271), (137921, 152753)]