21167118511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 28263628800

約数和(自身を除く): 7096510289

約数列:

[1, 7, 11, 19, 77, 79, 133, 209, 373, 491, 553, 869, 1463, 1501, 2611, 3437, 4103, 5401, 6083, 7087, 9329, 10507, 16511, 28721, 29467, 37807, 38789, 49609, 65303, 77957, 102619, 115577, 183143, 206269, 271523, 324137, 426679, 545699, 559873, 718333, 736991, 1282001, 2014573, 2268959, 2986753, 3479717, 3919111, 5158937, 6158603, 8106901, 14102011, 14468297, 24358019, 38276887, 43110221, 56748307, 101278079, 159151267, 267938209, 274897643, 1114058869, 1924283501, 3023874073, 21167118511]

約数ペア:

[(1, 21167118511), (7, 3023874073), (11, 1924283501), (19, 1114058869), (77, 274897643), (79, 267938209), (133, 159151267), (209, 101278079), (373, 56748307), (491, 43110221), (553, 38276887), (869, 24358019), (1463, 14468297), (1501, 14102011), (2611, 8106901), (3437, 6158603), (4103, 5158937), (5401, 3919111), (6083, 3479717), (7087, 2986753), (9329, 2268959), (10507, 2014573), (16511, 1282001), (28721, 736991), (29467, 718333), (37807, 559873), (38789, 545699), (49609, 426679), (65303, 324137), (77957, 271523), (102619, 206269), (115577, 183143)]