21040029456

素因数分解:

$2^4\times 3^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1\times {\mathrm{9311}}^1$

素因数の和:9764

約数の個数: 80

約数和(自身を含む): 54870773760

約数和(自身を除く): 33830744304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 179, 263, 358, 526, 537, 716, 789, 1052, 1074, 1432, 1578, 2104, 2148, 2864, 3156, 4208, 4296, 6312, 8592, 9311, 12624, 18622, 27933, 37244, 47077, 55866, 74488, 94154, 111732, 141231, 148976, 188308, 223464, 282462, 376616, 446928, 564924, 753232, 1129848, 1666669, 2259696, 2448793, 3333338, 4897586, 5000007, 6666676, 7346379, 9795172, 10000014, 13333352, 14692758, 19590344, 20000028, 26666704, 29385516, 39180688, 40000056, 58771032, 80000112, 117542064, 438333947, 876667894, 1315001841, 1753335788, 2630003682, 3506671576, 5260007364, 7013343152, 10520014728, 21040029456]

約数ペア:

[(1, 21040029456), (2, 10520014728), (3, 7013343152), (4, 5260007364), (6, 3506671576), (8, 2630003682), (12, 1753335788), (16, 1315001841), (24, 876667894), (48, 438333947), (179, 117542064), (263, 80000112), (358, 58771032), (526, 40000056), (537, 39180688), (716, 29385516), (789, 26666704), (1052, 20000028), (1074, 19590344), (1432, 14692758), (1578, 13333352), (2104, 10000014), (2148, 9795172), (2864, 7346379), (3156, 6666676), (4208, 5000007), (4296, 4897586), (6312, 3333338), (8592, 2448793), (9311, 2259696), (12624, 1666669), (18622, 1129848), (27933, 753232), (37244, 564924), (47077, 446928), (55866, 376616), (74488, 282462), (94154, 223464), (111732, 188308), (141231, 148976)]