21384419212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{8731}}^1$

素因数の和:8871

約数の個数: 96

約数和(自身を含む): 44224436480

約数和(自身を除く): 22840017268

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 67, 74, 76, 134, 148, 247, 268, 481, 494, 703, 871, 962, 988, 1273, 1406, 1742, 1924, 2479, 2546, 2812, 3484, 4958, 5092, 8731, 9139, 9916, 16549, 17462, 18278, 32227, 33098, 34924, 36556, 47101, 64454, 66196, 94202, 113503, 128908, 165889, 188404, 227006, 323047, 331778, 454012, 584977, 612313, 646094, 663556, 1169954, 1224626, 1292188, 2156557, 2339908, 2449252, 4199611, 4313114, 6137893, 7604701, 8399222, 8626228, 11114563, 12275786, 15209402, 16798444, 21644149, 22229126, 24551572, 30418804, 43288298, 44458252, 79792609, 86576596, 144489319, 159585218, 281373937, 288978638, 319170436, 411238831, 562747874, 577957276, 822477662, 1125495748, 1644955324, 5346104803, 10692209606, 21384419212]

約数ペア:

[(1, 21384419212), (2, 10692209606), (4, 5346104803), (13, 1644955324), (19, 1125495748), (26, 822477662), (37, 577957276), (38, 562747874), (52, 411238831), (67, 319170436), (74, 288978638), (76, 281373937), (134, 159585218), (148, 144489319), (247, 86576596), (268, 79792609), (481, 44458252), (494, 43288298), (703, 30418804), (871, 24551572), (962, 22229126), (988, 21644149), (1273, 16798444), (1406, 15209402), (1742, 12275786), (1924, 11114563), (2479, 8626228), (2546, 8399222), (2812, 7604701), (3484, 6137893), (4958, 4313114), (5092, 4199611), (8731, 2449252), (9139, 2339908), (9916, 2156557), (16549, 1292188), (17462, 1224626), (18278, 1169954), (32227, 663556), (33098, 646094), (34924, 612313), (36556, 584977), (47101, 454012), (64454, 331778), (66196, 323047), (94202, 227006), (113503, 188404), (128908, 165889)]