21005082

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18523}}^1$

素因数の和:18544

約数の個数: 40

約数和(自身を含む): 53793696

約数和(自身を除く): 32788614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18523, 37046, 55569, 111138, 129661, 166707, 259322, 333414, 388983, 500121, 777966, 1000242, 1166949, 1500363, 2333898, 3000726, 3500847, 7001694, 10502541, 21005082]

約数ペア:

[(1, 21005082), (2, 10502541), (3, 7001694), (6, 3500847), (7, 3000726), (9, 2333898), (14, 1500363), (18, 1166949), (21, 1000242), (27, 777966), (42, 500121), (54, 388983), (63, 333414), (81, 259322), (126, 166707), (162, 129661), (189, 111138), (378, 55569), (567, 37046), (1134, 18523)]