21977172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87211}}^1$

素因数の和:87228

約数の個数: 36

約数和(自身を含む): 63490336

約数和(自身を除く): 41513164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87211, 174422, 261633, 348844, 523266, 610477, 784899, 1046532, 1220954, 1569798, 1831431, 2441908, 3139596, 3662862, 5494293, 7325724, 10988586, 21977172]

約数ペア:

[(1, 21977172), (2, 10988586), (3, 7325724), (4, 5494293), (6, 3662862), (7, 3139596), (9, 2441908), (12, 1831431), (14, 1569798), (18, 1220954), (21, 1046532), (28, 784899), (36, 610477), (42, 523266), (63, 348844), (84, 261633), (126, 174422), (252, 87211)]