21715698095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{887}}^1\times {\mathrm{4139}}^1$

素因数の和:5064

約数の個数: 48

約数和(自身を含む): 32292794880

約数和(自身を除く): 10577096785

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 887, 1183, 4139, 4435, 5915, 6209, 11531, 20695, 28973, 31045, 53807, 57655, 80717, 144865, 149903, 269035, 376649, 403585, 699491, 749515, 1049321, 1883245, 3497455, 3671293, 4896437, 5246605, 18356465, 24482185, 25699051, 47726809, 128495255, 238634045, 334087663, 620448517, 1670438315, 3102242585, 4343139619, 21715698095]

約数ペア:

[(1, 21715698095), (5, 4343139619), (7, 3102242585), (13, 1670438315), (35, 620448517), (65, 334087663), (91, 238634045), (169, 128495255), (455, 47726809), (845, 25699051), (887, 24482185), (1183, 18356465), (4139, 5246605), (4435, 4896437), (5915, 3671293), (6209, 3497455), (11531, 1883245), (20695, 1049321), (28973, 749515), (31045, 699491), (53807, 403585), (57655, 376649), (80717, 269035), (144865, 149903)]