21000751142

素因数分解:

$2^1\times 7^2\times {\mathrm{773}}^1\times {\mathrm{277223}}^1$

素因数の和:278012

約数の個数: 24

約数和(自身を含む): 36691705296

約数和(自身を除く): 15690954154

約数列:

[1, 2, 7, 14, 49, 98, 773, 1546, 5411, 10822, 37877, 75754, 277223, 554446, 1940561, 3881122, 13583927, 27167854, 214293379, 428586758, 1500053653, 3000107306, 10500375571, 21000751142]

約数ペア:

[(1, 21000751142), (2, 10500375571), (7, 3000107306), (14, 1500053653), (49, 428586758), (98, 214293379), (773, 27167854), (1546, 13583927), (5411, 3881122), (10822, 1940561), (37877, 554446), (75754, 277223)]