21836685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 37997568

約数和(自身を除く): 16160883

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 991, 1469, 1695, 2973, 4407, 4955, 7345, 12883, 14865, 22035, 38649, 64415, 111983, 193245, 335949, 559915, 1455779, 1679745, 4367337, 7278895, 21836685]

約数ペア:

[(1, 21836685), (3, 7278895), (5, 4367337), (13, 1679745), (15, 1455779), (39, 559915), (65, 335949), (113, 193245), (195, 111983), (339, 64415), (565, 38649), (991, 22035), (1469, 14865), (1695, 12883), (2973, 7345), (4407, 4955)]