21285792

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6719}}^1$

素因数の和:6746

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 44758368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6719, 13438, 20157, 26876, 40314, 53752, 60471, 73909, 80628, 107504, 120942, 147818, 161256, 215008, 221727, 241884, 295636, 322512, 443454, 483768, 591272, 645024, 665181, 886908, 967536, 1182544, 1330362, 1773816, 1935072, 2365088, 2660724, 3547632, 5321448, 7095264, 10642896, 21285792]

約数ペア:

[(1, 21285792), (2, 10642896), (3, 7095264), (4, 5321448), (6, 3547632), (8, 2660724), (9, 2365088), (11, 1935072), (12, 1773816), (16, 1330362), (18, 1182544), (22, 967536), (24, 886908), (32, 665181), (33, 645024), (36, 591272), (44, 483768), (48, 443454), (66, 322512), (72, 295636), (88, 241884), (96, 221727), (99, 215008), (132, 161256), (144, 147818), (176, 120942), (198, 107504), (264, 80628), (288, 73909), (352, 60471), (396, 53752), (528, 40314), (792, 26876), (1056, 20157), (1584, 13438), (3168, 6719)]