21262872

素因数分解:

$2^3\times 3^1\times {\mathrm{131}}^1\times {\mathrm{6763}}^1$

素因数の和:6903

約数の個数: 32

約数和(自身を含む): 53570880

約数和(自身を除く): 32308008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 131, 262, 393, 524, 786, 1048, 1572, 3144, 6763, 13526, 20289, 27052, 40578, 54104, 81156, 162312, 885953, 1771906, 2657859, 3543812, 5315718, 7087624, 10631436, 21262872]

約数ペア:

[(1, 21262872), (2, 10631436), (3, 7087624), (4, 5315718), (6, 3543812), (8, 2657859), (12, 1771906), (24, 885953), (131, 162312), (262, 81156), (393, 54104), (524, 40578), (786, 27052), (1048, 20289), (1572, 13526), (3144, 6763)]