21321069

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4013}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 36993024

約数和(自身を除く): 15671955

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 4013, 5313, 12039, 28091, 44143, 84273, 92299, 132429, 276897, 309001, 646093, 927003, 1015289, 1938279, 3045867, 7107023, 21321069]

約数ペア:

[(1, 21321069), (3, 7107023), (7, 3045867), (11, 1938279), (21, 1015289), (23, 927003), (33, 646093), (69, 309001), (77, 276897), (161, 132429), (231, 92299), (253, 84273), (483, 44143), (759, 28091), (1771, 12039), (4013, 5313)]