21184877697

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{2731}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 31871293440

約数和(自身を除く): 10686415743

約数列:

[1, 3, 19, 23, 57, 61, 69, 97, 183, 291, 437, 1159, 1311, 1403, 1843, 2231, 2731, 3477, 4209, 5529, 5917, 6693, 8193, 17751, 26657, 42389, 51889, 62813, 79971, 112423, 127167, 136091, 155667, 166591, 188439, 264907, 337269, 408273, 499773, 794721, 1193447, 2585729, 3165229, 3580341, 3831593, 5033233, 6092861, 7757187, 9495687, 11494779, 15099699, 16159327, 18278583, 48477981, 72800267, 115764359, 218400801, 307027213, 347293077, 371664521, 921081639, 1114993563, 7061625899, 21184877697]

約数ペア:

[(1, 21184877697), (3, 7061625899), (19, 1114993563), (23, 921081639), (57, 371664521), (61, 347293077), (69, 307027213), (97, 218400801), (183, 115764359), (291, 72800267), (437, 48477981), (1159, 18278583), (1311, 16159327), (1403, 15099699), (1843, 11494779), (2231, 9495687), (2731, 7757187), (3477, 6092861), (4209, 5033233), (5529, 3831593), (5917, 3580341), (6693, 3165229), (8193, 2585729), (17751, 1193447), (26657, 794721), (42389, 499773), (51889, 408273), (62813, 337269), (79971, 264907), (112423, 188439), (127167, 166591), (136091, 155667)]