21635861

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 24718848

約数和(自身を除く): 3082987

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1451, 14911, 18863, 44981, 53687, 584753, 697931, 1664297, 21635861]

約数ペア:

[(1, 21635861), (13, 1664297), (31, 697931), (37, 584753), (403, 53687), (481, 44981), (1147, 18863), (1451, 14911)]