21124043192

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1931}}^1\times {\mathrm{11491}}^1$

素因数の和:13452

約数の個数: 64

約数和(自身を含む): 47957495040

約数和(自身を除く): 26833451848

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 1931, 3862, 7724, 11491, 13517, 15448, 22982, 27034, 32827, 45964, 54068, 65654, 80437, 91928, 108136, 131308, 160874, 195347, 229789, 262616, 321748, 390694, 459578, 643496, 781388, 919156, 1367429, 1562776, 1838312, 2734858, 5469716, 10939432, 22189121, 44378242, 88756484, 155323847, 177512968, 310647694, 377215057, 621295388, 754430114, 1242590776, 1508860228, 2640505399, 3017720456, 5281010798, 10562021596, 21124043192]

約数ペア:

[(1, 21124043192), (2, 10562021596), (4, 5281010798), (7, 3017720456), (8, 2640505399), (14, 1508860228), (17, 1242590776), (28, 754430114), (34, 621295388), (56, 377215057), (68, 310647694), (119, 177512968), (136, 155323847), (238, 88756484), (476, 44378242), (952, 22189121), (1931, 10939432), (3862, 5469716), (7724, 2734858), (11491, 1838312), (13517, 1562776), (15448, 1367429), (22982, 919156), (27034, 781388), (32827, 643496), (45964, 459578), (54068, 390694), (65654, 321748), (80437, 262616), (91928, 229789), (108136, 195347), (131308, 160874)]