21861038

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 33626880

約数和(自身を除く): 11765842

約数列:

[1, 2, 79, 83, 158, 166, 1667, 3334, 6557, 13114, 131693, 138361, 263386, 276722, 10930519, 21861038]

約数ペア:

[(1, 21861038), (2, 10930519), (79, 276722), (83, 263386), (158, 138361), (166, 131693), (1667, 13114), (3334, 6557)]