21132510130

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1093}}^1\times {\mathrm{1951}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 38131273728

約数和(自身を除く): 16998763598

約数列:

[1, 2, 5, 10, 991, 1093, 1951, 1982, 2186, 3902, 4955, 5465, 9755, 9910, 10930, 19510, 1083163, 1933441, 2132443, 2166326, 3866882, 4264886, 5415815, 9667205, 10662215, 10831630, 19334410, 21324430, 2113251013, 4226502026, 10566255065, 21132510130]

約数ペア:

[(1, 21132510130), (2, 10566255065), (5, 4226502026), (10, 2113251013), (991, 21324430), (1093, 19334410), (1951, 10831630), (1982, 10662215), (2186, 9667205), (3902, 5415815), (4955, 4264886), (5465, 3866882), (9755, 2166326), (9910, 2132443), (10930, 1933441), (19510, 1083163)]