21234438

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2141}}^1$

素因数の和:2197

約数の個数: 48

約数和(自身を含む): 50122800

約数和(自身を除く): 28888362

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2141, 3306, 4282, 4959, 6423, 9918, 12846, 19269, 38538, 40679, 62089, 81358, 122037, 124178, 186267, 244074, 366111, 372534, 558801, 732222, 1117602, 1179691, 2359382, 3539073, 7078146, 10617219, 21234438]

約数ペア:

[(1, 21234438), (2, 10617219), (3, 7078146), (6, 3539073), (9, 2359382), (18, 1179691), (19, 1117602), (29, 732222), (38, 558801), (57, 372534), (58, 366111), (87, 244074), (114, 186267), (171, 124178), (174, 122037), (261, 81358), (342, 62089), (522, 40679), (551, 38538), (1102, 19269), (1653, 12846), (2141, 9918), (3306, 6423), (4282, 4959)]