21219432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:3002

約数の個数: 64

約数和(自身を含む): 59633280

約数和(自身を除く): 38413848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2957, 3588, 5914, 7176, 8871, 11828, 17742, 23656, 35484, 38441, 68011, 70968, 76882, 115323, 136022, 153764, 204033, 230646, 272044, 307528, 408066, 461292, 544088, 816132, 884143, 922584, 1632264, 1768286, 2652429, 3536572, 5304858, 7073144, 10609716, 21219432]

約数ペア:

[(1, 21219432), (2, 10609716), (3, 7073144), (4, 5304858), (6, 3536572), (8, 2652429), (12, 1768286), (13, 1632264), (23, 922584), (24, 884143), (26, 816132), (39, 544088), (46, 461292), (52, 408066), (69, 307528), (78, 272044), (92, 230646), (104, 204033), (138, 153764), (156, 136022), (184, 115323), (276, 76882), (299, 70968), (312, 68011), (552, 38441), (598, 35484), (897, 23656), (1196, 17742), (1794, 11828), (2392, 8871), (2957, 7176), (3588, 5914)]