21184601221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3358903}}^1$

素因数の和:3358980

約数の個数: 16

約数和(自身を含む): 26118837504

約数和(自身を除く): 4934236283

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 3358903, 23512321, 57101351, 178021859, 399709457, 1246153013, 3026371603, 21184601221]

約数ペア:

[(1, 21184601221), (7, 3026371603), (17, 1246153013), (53, 399709457), (119, 178021859), (371, 57101351), (901, 23512321), (6307, 3358903)]