21431544

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 57763200

約数和(自身を除く): 36331656

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 43, 57, 76, 86, 114, 129, 152, 172, 228, 258, 344, 456, 516, 817, 1032, 1093, 1634, 2186, 2451, 3268, 3279, 4372, 4902, 6536, 6558, 8744, 9804, 13116, 19608, 20767, 26232, 41534, 46999, 62301, 83068, 93998, 124602, 140997, 166136, 187996, 249204, 281994, 375992, 498408, 563988, 892981, 1127976, 1785962, 2678943, 3571924, 5357886, 7143848, 10715772, 21431544]

約数ペア:

[(1, 21431544), (2, 10715772), (3, 7143848), (4, 5357886), (6, 3571924), (8, 2678943), (12, 1785962), (19, 1127976), (24, 892981), (38, 563988), (43, 498408), (57, 375992), (76, 281994), (86, 249204), (114, 187996), (129, 166136), (152, 140997), (172, 124602), (228, 93998), (258, 83068), (344, 62301), (456, 46999), (516, 41534), (817, 26232), (1032, 20767), (1093, 19608), (1634, 13116), (2186, 9804), (2451, 8744), (3268, 6558), (3279, 6536), (4372, 4902)]