21167140323

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53050477}}^1$

素因数の和:53050506

約数の個数: 16

約数和(自身を含む): 33952305920

約数和(自身を除く): 12785165597

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 53050477, 159151431, 371353339, 1007959063, 1114060017, 3023877189, 7055713441, 21167140323]

約数ペア:

[(1, 21167140323), (3, 7055713441), (7, 3023877189), (19, 1114060017), (21, 1007959063), (57, 371353339), (133, 159151431), (399, 53050477)]