21625135

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 10630865

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1049, 1085, 2945, 4123, 5245, 7343, 19931, 20615, 32519, 36715, 99655, 139517, 162595, 227633, 617861, 697585, 1138165, 3089305, 4325027, 21625135]

約数ペア:

[(1, 21625135), (5, 4325027), (7, 3089305), (19, 1138165), (31, 697585), (35, 617861), (95, 227633), (133, 162595), (155, 139517), (217, 99655), (589, 36715), (665, 32519), (1049, 20615), (1085, 19931), (2945, 7343), (4123, 5245)]