21426801

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 31907232

約数和(自身を除く): 10480431

約数列:

[1, 3, 11, 33, 67, 121, 201, 363, 737, 881, 2211, 2643, 8107, 9691, 24321, 29073, 59027, 106601, 177081, 319803, 649297, 1947891, 7142267, 21426801]

約数ペア:

[(1, 21426801), (3, 7142267), (11, 1947891), (33, 649297), (67, 319803), (121, 177081), (201, 106601), (363, 59027), (737, 29073), (881, 24321), (2211, 9691), (2643, 8107)]