21315602

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12583}}^1$

素因数の和:12614

約数の個数: 24

約数和(自身を含む): 40168128

約数和(自身を除く): 18852526

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12583, 25166, 88081, 138413, 176162, 276826, 968891, 1522543, 1937782, 3045086, 10657801, 21315602]

約数ペア:

[(1, 21315602), (2, 10657801), (7, 3045086), (11, 1937782), (14, 1522543), (22, 968891), (77, 276826), (121, 176162), (154, 138413), (242, 88081), (847, 25166), (1694, 12583)]