21129306052

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4831}}^1\times {\mathrm{64319}}^1$

素因数の和:69171

約数の個数: 24

約数和(自身を含む): 39160074240

約数和(自身を除く): 18030768188

約数列:

[1, 2, 4, 17, 34, 68, 4831, 9662, 19324, 64319, 82127, 128638, 164254, 257276, 328508, 1093423, 2186846, 4373692, 310725089, 621450178, 1242900356, 5282326513, 10564653026, 21129306052]

約数ペア:

[(1, 21129306052), (2, 10564653026), (4, 5282326513), (17, 1242900356), (34, 621450178), (68, 310725089), (4831, 4373692), (9662, 2186846), (19324, 1093423), (64319, 328508), (82127, 257276), (128638, 164254)]