21366254

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 41521536

約数和(自身を除く): 20155282

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 541, 637, 806, 1082, 1274, 1519, 2821, 3038, 3787, 5642, 7033, 7574, 14066, 16771, 19747, 26509, 33542, 39494, 49231, 53018, 98462, 117397, 218023, 234794, 344617, 436046, 689234, 821779, 1526161, 1643558, 3052322, 10683127, 21366254]

約数ペア:

[(1, 21366254), (2, 10683127), (7, 3052322), (13, 1643558), (14, 1526161), (26, 821779), (31, 689234), (49, 436046), (62, 344617), (91, 234794), (98, 218023), (182, 117397), (217, 98462), (403, 53018), (434, 49231), (541, 39494), (637, 33542), (806, 26509), (1082, 19747), (1274, 16771), (1519, 14066), (2821, 7574), (3038, 7033), (3787, 5642)]