21368633

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 26853120

約数和(自身を除く): 5484487

約数列:

[1, 11, 13, 23, 73, 89, 143, 253, 299, 803, 949, 979, 1157, 1679, 2047, 3289, 6497, 10439, 12727, 18469, 21827, 22517, 26611, 71467, 84461, 149431, 240097, 292721, 929071, 1643741, 1942603, 21368633]

約数ペア:

[(1, 21368633), (11, 1942603), (13, 1643741), (23, 929071), (73, 292721), (89, 240097), (143, 149431), (253, 84461), (299, 71467), (803, 26611), (949, 22517), (979, 21827), (1157, 18469), (1679, 12727), (2047, 10439), (3289, 6497)]