21145627

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 22708224

約数和(自身を除く): 1562597

約数列:

[1, 31, 41, 127, 131, 1271, 3937, 4061, 5207, 5371, 16637, 161417, 166501, 515747, 682117, 21145627]

約数ペア:

[(1, 21145627), (31, 682117), (41, 515747), (127, 166501), (131, 161417), (1271, 16637), (3937, 5371), (4061, 5207)]