21187595517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1040597}}^1$

素因数の和:1041228

約数の個数: 16

約数和(自身を含む): 30868299072

約数和(自身を除く): 9680703555

約数列:

[1, 3, 11, 33, 617, 1851, 6787, 20361, 1040597, 3121791, 11446567, 34339701, 642048349, 1926145047, 7062531839, 21187595517]

約数ペア:

[(1, 21187595517), (3, 7062531839), (11, 1926145047), (33, 642048349), (617, 34339701), (1851, 11446567), (6787, 3121791), (20361, 1040597)]