21426889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 24799680

約数和(自身を除く): 3372791

約数列:

[1, 11, 19, 157, 209, 653, 1727, 2983, 7183, 12407, 32813, 102521, 136477, 1127731, 1947899, 21426889]

約数ペア:

[(1, 21426889), (11, 1947899), (19, 1127731), (157, 136477), (209, 102521), (653, 32813), (1727, 12407), (2983, 7183)]