21003730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 20779310

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2417, 4345, 4834, 8690, 12085, 24170, 26587, 53174, 132935, 190943, 265870, 381886, 954715, 1909430, 2100373, 4200746, 10501865, 21003730]

約数ペア:

[(1, 21003730), (2, 10501865), (5, 4200746), (10, 2100373), (11, 1909430), (22, 954715), (55, 381886), (79, 265870), (110, 190943), (158, 132935), (395, 53174), (790, 26587), (869, 24170), (1738, 12085), (2417, 8690), (4345, 4834)]