21089322

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:177

約数の個数: 60

約数和(自身を含む): 49625730

約数和(自身を除く): 28536408

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 67, 81, 87, 134, 162, 174, 201, 261, 402, 522, 603, 783, 1206, 1566, 1809, 1943, 2349, 3618, 3886, 4489, 4698, 5427, 5829, 8978, 10854, 11658, 13467, 17487, 26934, 34974, 40401, 52461, 80802, 104922, 121203, 130181, 157383, 242406, 260362, 314766, 363609, 390543, 727218, 781086, 1171629, 2343258, 3514887, 7029774, 10544661, 21089322]

約数ペア:

[(1, 21089322), (2, 10544661), (3, 7029774), (6, 3514887), (9, 2343258), (18, 1171629), (27, 781086), (29, 727218), (54, 390543), (58, 363609), (67, 314766), (81, 260362), (87, 242406), (134, 157383), (162, 130181), (174, 121203), (201, 104922), (261, 80802), (402, 52461), (522, 40401), (603, 34974), (783, 26934), (1206, 17487), (1566, 13467), (1809, 11658), (1943, 10854), (2349, 8978), (3618, 5829), (3886, 5427), (4489, 4698)]