21355491248

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{28703}}^1$

素因数の和:28811

約数の個数: 120

約数和(自身を含む): 52545886848

約数和(自身を除く): 31190395600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 73, 91, 98, 104, 112, 146, 182, 196, 208, 292, 364, 392, 511, 584, 637, 728, 784, 949, 1022, 1168, 1274, 1456, 1898, 2044, 2548, 3577, 3796, 4088, 5096, 6643, 7154, 7592, 8176, 10192, 13286, 14308, 15184, 26572, 28616, 28703, 46501, 53144, 57232, 57406, 93002, 106288, 114812, 186004, 200921, 229624, 372008, 373139, 401842, 459248, 744016, 746278, 803684, 1406447, 1492556, 1607368, 2095319, 2611973, 2812894, 2985112, 3214736, 4190638, 5223946, 5625788, 5970224, 8381276, 10447892, 11251576, 14667233, 16762552, 18283811, 20895784, 22503152, 27239147, 29334466, 33525104, 36567622, 41791568, 54478294, 58668932, 73135244, 102670631, 108956588, 117337864, 146270488, 190674029, 205341262, 217913176, 234675728, 292540976, 381348058, 410682524, 435826352, 762696116, 821365048, 1334718203, 1525392232, 1642730096, 2669436406, 3050784464, 5338872812, 10677745624, 21355491248]

約数ペア:

[(1, 21355491248), (2, 10677745624), (4, 5338872812), (7, 3050784464), (8, 2669436406), (13, 1642730096), (14, 1525392232), (16, 1334718203), (26, 821365048), (28, 762696116), (49, 435826352), (52, 410682524), (56, 381348058), (73, 292540976), (91, 234675728), (98, 217913176), (104, 205341262), (112, 190674029), (146, 146270488), (182, 117337864), (196, 108956588), (208, 102670631), (292, 73135244), (364, 58668932), (392, 54478294), (511, 41791568), (584, 36567622), (637, 33525104), (728, 29334466), (784, 27239147), (949, 22503152), (1022, 20895784), (1168, 18283811), (1274, 16762552), (1456, 14667233), (1898, 11251576), (2044, 10447892), (2548, 8381276), (3577, 5970224), (3796, 5625788), (4088, 5223946), (5096, 4190638), (6643, 3214736), (7154, 2985112), (7592, 2812894), (8176, 2611973), (10192, 2095319), (13286, 1607368), (14308, 1492556), (15184, 1406447), (26572, 803684), (28616, 746278), (28703, 744016), (46501, 459248), (53144, 401842), (57232, 373139), (57406, 372008), (93002, 229624), (106288, 200921), (114812, 186004)]