21485712

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5393}}^1$

素因数の和:5487

約数の個数: 40

約数和(自身を含む): 56183904

約数和(自身を除く): 34698192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5393, 10786, 16179, 21572, 32358, 43144, 64716, 86288, 129432, 258864, 447619, 895238, 1342857, 1790476, 2685714, 3580952, 5371428, 7161904, 10742856, 21485712]

約数ペア:

[(1, 21485712), (2, 10742856), (3, 7161904), (4, 5371428), (6, 3580952), (8, 2685714), (12, 1790476), (16, 1342857), (24, 895238), (48, 447619), (83, 258864), (166, 129432), (249, 86288), (332, 64716), (498, 43144), (664, 32358), (996, 21572), (1328, 16179), (1992, 10786), (3984, 5393)]