20921241601

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{18149}}^1$

素因数の和:18553

約数の個数: 24

約数和(自身を含む): 23914440000

約数和(自身を除く): 2993198399

約数列:

[1, 13, 19, 169, 247, 359, 3211, 4667, 6821, 18149, 60671, 88673, 235937, 344831, 1152749, 3067181, 4482803, 6515491, 58276439, 84701383, 123794329, 1101117979, 1609326277, 20921241601]

約数ペア:

[(1, 20921241601), (13, 1609326277), (19, 1101117979), (169, 123794329), (247, 84701383), (359, 58276439), (3211, 6515491), (4667, 4482803), (6821, 3067181), (18149, 1152749), (60671, 344831), (88673, 235937)]