21286952498

素因数分解:

$2^1\times 7^3\times {\mathrm{5443}}^1\times {\mathrm{5701}}^1$

素因数の和:11167

約数の個数: 32

約数和(自身を含む): 37250025600

約数和(自身を除く): 15963073102

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 5443, 5701, 10886, 11402, 38101, 39907, 76202, 79814, 266707, 279349, 533414, 558698, 1866949, 1955443, 3733898, 3910886, 31030543, 62061086, 217213801, 434427602, 1520496607, 3040993214, 10643476249, 21286952498]

約数ペア:

[(1, 21286952498), (2, 10643476249), (7, 3040993214), (14, 1520496607), (49, 434427602), (98, 217213801), (343, 62061086), (686, 31030543), (5443, 3910886), (5701, 3733898), (10886, 1955443), (11402, 1866949), (38101, 558698), (39907, 533414), (76202, 279349), (79814, 266707)]