21069398

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 38184960

約数和(自身を除く): 17115562

約数列:

[1, 2, 7, 14, 31, 43, 62, 86, 217, 301, 434, 602, 1129, 1333, 2258, 2666, 7903, 9331, 15806, 18662, 34999, 48547, 69998, 97094, 244993, 339829, 489986, 679658, 1504957, 3009914, 10534699, 21069398]

約数ペア:

[(1, 21069398), (2, 10534699), (7, 3009914), (14, 1504957), (31, 679658), (43, 489986), (62, 339829), (86, 244993), (217, 97094), (301, 69998), (434, 48547), (602, 34999), (1129, 18662), (1333, 15806), (2258, 9331), (2666, 7903)]