21167383181

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{739}}^1\times {\mathrm{761}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 25622707200

約数和(自身を除く): 4455324019

約数列:

[1, 7, 19, 133, 283, 739, 761, 1981, 5173, 5327, 5377, 14041, 14459, 37639, 98287, 101213, 209137, 215363, 562379, 1463959, 1507541, 3936653, 3973603, 4091897, 10685201, 27815221, 28643279, 74796407, 159153257, 1114072799, 3023911883, 21167383181]

約数ペア:

[(1, 21167383181), (7, 3023911883), (19, 1114072799), (133, 159153257), (283, 74796407), (739, 28643279), (761, 27815221), (1981, 10685201), (5173, 4091897), (5327, 3973603), (5377, 3936653), (14041, 1507541), (14459, 1463959), (37639, 562379), (98287, 215363), (101213, 209137)]