21988526

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 16718674

約数列:

[1, 2, 7, 14, 83, 127, 149, 166, 254, 298, 581, 889, 1043, 1162, 1778, 2086, 10541, 12367, 18923, 21082, 24734, 37846, 73787, 86569, 132461, 147574, 173138, 264922, 1570609, 3141218, 10994263, 21988526]

約数ペア:

[(1, 21988526), (2, 10994263), (7, 3141218), (14, 1570609), (83, 264922), (127, 173138), (149, 147574), (166, 132461), (254, 86569), (298, 73787), (581, 37846), (889, 24734), (1043, 21082), (1162, 18923), (1778, 12367), (2086, 10541)]