21099386

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7250

約数の個数: 32

約数和(自身を含む): 41541120

約数和(自身を除く): 20441734

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7211, 14422, 50477, 79321, 100954, 137009, 158642, 274018, 555247, 959063, 1110494, 1507099, 1918126, 3014198, 10549693, 21099386]

約数ペア:

[(1, 21099386), (2, 10549693), (7, 3014198), (11, 1918126), (14, 1507099), (19, 1110494), (22, 959063), (38, 555247), (77, 274018), (133, 158642), (154, 137009), (209, 100954), (266, 79321), (418, 50477), (1463, 14422), (2926, 7211)]