21794685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5743}}^1$

素因数の和:5785

約数の個数: 32

約数和(自身を含む): 39702528

約数和(自身を除く): 17907843

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 5743, 17229, 28715, 63173, 86145, 132089, 189519, 315865, 396267, 660445, 947595, 1452979, 1981335, 4358937, 7264895, 21794685]

約数ペア:

[(1, 21794685), (3, 7264895), (5, 4358937), (11, 1981335), (15, 1452979), (23, 947595), (33, 660445), (55, 396267), (69, 315865), (115, 189519), (165, 132089), (253, 86145), (345, 63173), (759, 28715), (1265, 17229), (3795, 5743)]