21014745156

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1406

約数の個数: 144

約数和(自身を含む): 56257044480

約数和(自身を除く): 35242299324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 103, 138, 206, 207, 239, 276, 309, 412, 414, 478, 618, 717, 828, 927, 956, 1031, 1236, 1434, 1854, 2062, 2151, 2369, 2868, 3093, 3708, 4124, 4302, 4738, 5497, 6186, 7107, 8604, 9279, 9476, 10994, 12372, 14214, 16491, 18558, 21321, 21988, 23713, 24617, 28428, 32982, 37116, 42642, 47426, 49234, 49473, 65964, 71139, 73851, 85284, 94852, 98468, 98946, 106193, 142278, 147702, 197892, 212386, 213417, 221553, 246409, 284556, 295404, 318579, 424772, 426834, 443106, 492818, 566191, 637158, 739227, 853668, 886212, 955737, 985636, 1132382, 1274316, 1478454, 1698573, 1911474, 2217681, 2264764, 2442439, 2956908, 3397146, 3822948, 4435362, 4884878, 5095719, 5667407, 6794292, 7327317, 8870724, 9769756, 10191438, 11334814, 14654634, 17002221, 20382876, 21981951, 22669628, 25380127, 29309268, 34004442, 43963902, 50760254, 51006663, 68008884, 76140381, 87927804, 101520508, 102013326, 152280762, 204026652, 228421143, 304561524, 456842286, 583742921, 913684572, 1167485842, 1751228763, 2334971684, 3502457526, 5253686289, 7004915052, 10507372578, 21014745156]

約数ペア:

[(1, 21014745156), (2, 10507372578), (3, 7004915052), (4, 5253686289), (6, 3502457526), (9, 2334971684), (12, 1751228763), (18, 1167485842), (23, 913684572), (36, 583742921), (46, 456842286), (69, 304561524), (92, 228421143), (103, 204026652), (138, 152280762), (206, 102013326), (207, 101520508), (239, 87927804), (276, 76140381), (309, 68008884), (412, 51006663), (414, 50760254), (478, 43963902), (618, 34004442), (717, 29309268), (828, 25380127), (927, 22669628), (956, 21981951), (1031, 20382876), (1236, 17002221), (1434, 14654634), (1854, 11334814), (2062, 10191438), (2151, 9769756), (2369, 8870724), (2868, 7327317), (3093, 6794292), (3708, 5667407), (4124, 5095719), (4302, 4884878), (4738, 4435362), (5497, 3822948), (6186, 3397146), (7107, 2956908), (8604, 2442439), (9279, 2264764), (9476, 2217681), (10994, 1911474), (12372, 1698573), (14214, 1478454), (16491, 1274316), (18558, 1132382), (21321, 985636), (21988, 955737), (23713, 886212), (24617, 853668), (28428, 739227), (32982, 637158), (37116, 566191), (42642, 492818), (47426, 443106), (49234, 426834), (49473, 424772), (65964, 318579), (71139, 295404), (73851, 284556), (85284, 246409), (94852, 221553), (98468, 213417), (98946, 212386), (106193, 197892), (142278, 147702)]