21040520032

素因数分解:

$2^5\times 7^4\times {\mathrm{53}}^1\times {\mathrm{5167}}^1$

素因数の和:5258

約数の個数: 120

約数和(自身を含む): 49245882336

約数和(自身を除く): 28205362304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 343, 371, 392, 424, 686, 742, 784, 848, 1372, 1484, 1568, 1696, 2401, 2597, 2744, 2968, 4802, 5167, 5194, 5488, 5936, 9604, 10334, 10388, 10976, 11872, 18179, 19208, 20668, 20776, 36169, 36358, 38416, 41336, 41552, 72338, 72716, 76832, 82672, 83104, 127253, 144676, 145432, 165344, 253183, 254506, 273851, 289352, 290864, 506366, 509012, 547702, 578704, 581728, 1012732, 1018024, 1095404, 1157408, 1772281, 1916957, 2025464, 2036048, 2190808, 3544562, 3833914, 4050928, 4072096, 4381616, 7089124, 7667828, 8101856, 8763232, 12405967, 13418699, 14178248, 15335656, 24811934, 26837398, 28356496, 30671312, 49623868, 53674796, 56712992, 61342624, 93930893, 99247736, 107349592, 187861786, 198495472, 214699184, 375723572, 396990944, 429398368, 657516251, 751447144, 1315032502, 1502894288, 2630065004, 3005788576, 5260130008, 10520260016, 21040520032]

約数ペア:

[(1, 21040520032), (2, 10520260016), (4, 5260130008), (7, 3005788576), (8, 2630065004), (14, 1502894288), (16, 1315032502), (28, 751447144), (32, 657516251), (49, 429398368), (53, 396990944), (56, 375723572), (98, 214699184), (106, 198495472), (112, 187861786), (196, 107349592), (212, 99247736), (224, 93930893), (343, 61342624), (371, 56712992), (392, 53674796), (424, 49623868), (686, 30671312), (742, 28356496), (784, 26837398), (848, 24811934), (1372, 15335656), (1484, 14178248), (1568, 13418699), (1696, 12405967), (2401, 8763232), (2597, 8101856), (2744, 7667828), (2968, 7089124), (4802, 4381616), (5167, 4072096), (5194, 4050928), (5488, 3833914), (5936, 3544562), (9604, 2190808), (10334, 2036048), (10388, 2025464), (10976, 1916957), (11872, 1772281), (18179, 1157408), (19208, 1095404), (20668, 1018024), (20776, 1012732), (36169, 581728), (36358, 578704), (38416, 547702), (41336, 509012), (41552, 506366), (72338, 290864), (72716, 289352), (76832, 273851), (82672, 254506), (83104, 253183), (127253, 165344), (144676, 145432)]