21943677

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7013}}^1$

素因数の和:7172

約数の個数: 16

約数和(自身を含む): 33667200

約数和(自身を除く): 11723523

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 7013, 21039, 49091, 147273, 1044937, 3134811, 7314559, 21943677]

約数ペア:

[(1, 21943677), (3, 7314559), (7, 3134811), (21, 1044937), (149, 147273), (447, 49091), (1043, 21039), (3129, 7013)]