21144032

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 52581312

約数和(自身を除く): 31437280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 91, 104, 106, 112, 137, 182, 208, 212, 224, 274, 364, 371, 416, 424, 548, 689, 728, 742, 848, 959, 1096, 1378, 1456, 1484, 1696, 1781, 1918, 2192, 2756, 2912, 2968, 3562, 3836, 4384, 4823, 5512, 5936, 7124, 7261, 7672, 9646, 11024, 11872, 12467, 14248, 14522, 15344, 19292, 22048, 24934, 28496, 29044, 30688, 38584, 49868, 50827, 56992, 58088, 77168, 94393, 99736, 101654, 116176, 154336, 188786, 199472, 203308, 232352, 377572, 398944, 406616, 660751, 755144, 813232, 1321502, 1510288, 1626464, 2643004, 3020576, 5286008, 10572016, 21144032]

約数ペア:

[(1, 21144032), (2, 10572016), (4, 5286008), (7, 3020576), (8, 2643004), (13, 1626464), (14, 1510288), (16, 1321502), (26, 813232), (28, 755144), (32, 660751), (52, 406616), (53, 398944), (56, 377572), (91, 232352), (104, 203308), (106, 199472), (112, 188786), (137, 154336), (182, 116176), (208, 101654), (212, 99736), (224, 94393), (274, 77168), (364, 58088), (371, 56992), (416, 50827), (424, 49868), (548, 38584), (689, 30688), (728, 29044), (742, 28496), (848, 24934), (959, 22048), (1096, 19292), (1378, 15344), (1456, 14522), (1484, 14248), (1696, 12467), (1781, 11872), (1918, 11024), (2192, 9646), (2756, 7672), (2912, 7261), (2968, 7124), (3562, 5936), (3836, 5512), (4384, 4823)]